Single Entry System
Class-11-Commerce-Book-Keeping & Accountancy-Chapter-10-Maharashtra Board
Notes
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Topics to be Learn :
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Introduction and Meaning of Single Entry System :
In ancient times, there was no scientific method of recording business transactions — traders maintained records using traditional, informal methods. The Single Entry System evolved from this practice. It is best suited to small businesses where the number of transactions is limited.
| ⚠️ Important Concept
Single Entry System is NOT a separate, independent system of accounting. It is simply the Double Entry System in an incomplete and unscientific form. |
Meaning : Under the Single Entry System, only the Cash Book and the personal accounts of debtors and creditors are maintained. Real Accounts and Nominal Accounts are NOT maintained. There is no fixed or proper set of rules to be followed.
Definitions :
- Kohler: "A system of Book Keeping in which as a rule only records of cash and of personal accounts are maintained. It is always incomplete double entry varying with the circumstances."
- Carter: a method (or set of methods) of recording transactions that ignores the two-fold (dual) aspect, and therefore fails to give the businessman the information needed to ascertain his financial position.
In short: Single Entry System is a combination of Single Entry, Double Entry, and No Entry — i.e., some transactions are recorded with both aspects, some with only one aspect, and some are not recorded at all.
Why Single Entry System is Used (Reasons/Suitability) :
- It is a very simple method of recording business transactions
- Does not require adequate skill or knowledge of Book-Keeping principles
- Less expensive compared to Double Entry Book-Keeping
- Ascertainment of Profit or Loss is much easier
- Suitable for small concerns with limited transactions and very few assets/liabilities
- Can be prepared easily in a short period of time
| 🧠 Memory Aid
Remember "SCALES" for why Single Entry is used: Simple • Cheap • Ascertains profit easily • Less skill needed • Easy & quick • Small business suited |
Difference between Single Entry System and Double Entry System
| Point of Distinction | Single Entry System | Double Entry System |
| 1. Dual Aspect | Each transaction is NOT recorded with dual aspect | Each transaction IS recorded with dual aspect |
| 2. Accounts | Only Personal & Cash Accounts maintained; Real and Nominal Accounts not kept | Personal, Real and Nominal Accounts all maintained |
| 3. Trial Balance | Cannot be prepared — arithmetical accuracy cannot be verified | Can be prepared — arithmetical accuracy is verified |
| 4. Profit or Loss | Profit and Loss Account is NOT prepared | Profit and Loss Account IS prepared |
| 5. Balance Sheet | Only Statement of Affairs is prepared; no Balance Sheet | Balance Sheet is prepared for true financial position |
| 6. Utility | Useful only for small business concerns | Useful for all types of business concerns |
| 7. Rules | Does not follow any accounting rules | Follows established accounting rules |
| 8. Authenticity | Not considered authentic by Government authorities | Considered authentic by Government authorities |
| 9. Expensive | Less expensive — less time and labour involved | More expensive compared to Single Entry |
| 10. Financial Position | Statement of Affairs gives only an estimated position | Balance Sheet gives a true and fair financial position |
Preparation of Statement of Affairs
To find the financial position of a business under the Single Entry System, three statements are prepared:
- Opening Statement of Affairs
- Closing Statement of Affairs
- Statement of Profit or Loss
What is a Statement of Affairs? :
- A Statement of Affairs is a statement of Assets and Liabilities — it is as good as (i.e., serves the same purpose as) a Balance Sheet.
- Liabilities are shown on the left-hand side and Assets on the right-hand side.
- It is prepared to find out the amount of Opening or Closing Capital, since the difference between total Assets and total Liabilities is treated as Capital.
| 🔑 Key Formulas
Opening Capital = Opening Assets – Opening Liabilities Closing Capital = Closing Assets – Closing Liabilities |
Format of Statement of Affairs :
In the Books of _______ | Statement of Affairs as on _______
| Liabilities | Assets |
| Sundry Creditors | Plant and Machinery |
| Bills Payable | Furniture and Fixtures |
| Outstanding Expenses | Building |
| Bank Overdraft | Investments |
| Bank Loan | Sundry Debtors |
| Capital (Balancing figure) | Bills Receivable |
| Prepaid Expenses | |
| Cash in Hand | |
| Cash at Bank |
Note: Opening and Closing Statements of Affairs can also be prepared together in columnar form (side by side), as shown in the solved illustrations ahead.
Preparation of Statement of Profit or Loss :
A Statement of Profit or Loss is prepared to find out the profit or loss made during the year. There are two methods of ascertaining profit under Single Entry System:
- Net Worth Method — covered in this chapter
- Conversion Method — not included in this syllabus
Net Worth (Capital Comparison) Method :
Under Double Entry System, profit is found by preparing a Trading Account and Profit & Loss Account. This is not possible under Single Entry System due to incomplete records. Instead, the Opening Capital and Closing Capital are compared:
- If Closing Capital > Opening Capital → the difference is PROFIT
- If Closing Capital < Opening Capital → the difference is LOSS
This basic profit figure must then be adjusted for Additional Capital, Drawings, and other items (depreciation, interest, provisions, etc.) to arrive at the correct Net Profit or Net Loss.
Format of Statement of Profit or Loss
| Particulars | Amt (₹) | Amt (₹) |
| Closing Capital / Capital at the end of the year | ……… | |
| Add: Drawings during the year (Cash + Kind) | ……… | |
| Less: Additional Capital brought during the year | ……… | |
| Adjusted Closing Capital | ……… | |
| Less: Opening Capital | ……… | |
| Net Profit / Net Loss for the year | ……… |
✏️ Worked Example
| Given
Opening Capital = ₹90,000 Closing Capital = ₹1,50,000 Additional Capital introduced = ₹10,000 Drawings during the year = ₹15,000 |
| Particulars | Amt (₹) | Amt (₹) |
| Closing Capital | 1,50,000 | |
| Add: Drawings | 15,000 | |
| 1,65,000 | ||
| Less: Additional Capital introduced during the year | 10,000 | |
| Adjusted Closing Capital | 1,55,000 | |
| Less: Opening Capital | 90,000 | |
| Net Profit for the Year | 65,000 |
Additional Information / Adjustments :
Eleven common adjustments must be considered while preparing the Statement of Profit or Loss to arrive at the correct (accurate) Net Profit or Net Loss:
- Additional Capital
Cash or assets of any kind brought into the business by the proprietor during the year, over and above the original capital.
| Treatment in Statement of Profit or Loss : DEDUCTED from Closing Capital |
- Drawings
Cash, goods, or assets withdrawn by the proprietor for personal/private use during the year.
| Treatment in Statement of Profit or Loss : ADDED to Closing Capital |
- Depreciation of Fixed Assets
The fall in value of fixed assets (Machinery, Furniture, Building, etc.) due to use/wear and tear.
| Treatment in Statement of Profit or Loss : DEDUCTED (charged against profit) |
- Bad Debts
Amount owed by a debtor that cannot be recovered.
| Treatment in Statement of Profit or Loss : DEDUCTED |
- Reserve for Doubtful Debts (RDD)
A provision created on Sundry Debtors (after deducting further bad debts) to cover potential future bad debts, usually given as a percentage.
| Treatment in Statement of Profit or Loss : DEDUCTED |
- Undervaluation & Overvaluation of Assets and Liabilities
Assets/Liabilities in the books may not reflect true value and must be corrected:
| Treatment in Statement of Profit or Loss : See sub-cases below |
| Case | Effect on Capital | Adjustment in Statement of P&L |
| Undervaluation of Assets | Capital understated → increase asset value | ADDED |
| Overvaluation of Assets | Capital overstated → decrease asset value | DEDUCTED |
| Undervaluation of Liabilities | Capital overstated → increase liability value | DEDUCTED |
| Overvaluation of Liabilities | Capital understated → decrease liability value | ADDED |
| 🔑 Formula for Over/Under-valuation (when % is given on Book Value) |
Actual Value = Book Value × 100 ÷ (100 + % of Overvaluation)
Actual Value = Book Value × 100 ÷ (100 − % of Undervaluation)
Example: Stock of ₹90,000 is overvalued by 20%.
Actual Value = 90,000 × 100/120 = ₹75,000 → Loss of ₹15,000 (deducted)
- Interest on Loan
Interest payable on any amount borrowed by the business (Bank Loan etc.) is an expense to the business.
| Treatment in Statement of Profit or Loss : DEDUCTED |
- Interest on Capital
Interest allowed to the proprietor on Opening Capital and on Additional Capital (for the period it was actually used in the business). It is an expense to the business.
| Treatment in Statement of Profit or Loss : DEDUCTED |
| ✏️ Worked Example — Interest on Capital |
Opening Capital (31 Mar 2017) = ₹1,50,000; Additional Capital introduced (1 Oct 2017) = ₹40,000; Rate = 10% p.a.
Interest on Opening Capital: 10% on ₹1,50,000 for 1 year = ₹15,000
Interest on Additional Capital: 10% on ₹40,000 for 6 months = ₹2,000
Total Interest on Capital = ₹17,000
- Interest on Drawings
Interest charged to the proprietor on amounts withdrawn during the year — this is income to the business. (If the date of drawings is not given, interest is calculated for 6 months by default.)
| Treatment in Statement of Profit or Loss : ADDED |
- Outstanding / Unpaid Expenses
Expenses that are due but have not yet been paid during the year.
| Treatment in Statement of Profit or Loss : DEDUCTED |
- Prepaid Expenses / Expenses Paid in Advance / Unexpired Expenses
Expenses paid in advance that relate to the next accounting year, not the current one.
| Treatment in Statement of Profit or Loss : ADDED |
Consolidated (Master) Format — Statement of Profit or Loss with All Adjustments
| Particulars | Amt (₹) | Amt (₹) |
| Closing Capital at the end of the year | ……… | |
| Add: Drawings during the year (Cash + Kind) | ……… | |
| Less: Additional Capital | ……… | |
| Adjusted Closing Capital | ……… | |
| Less: Opening Capital | ……… | |
| Profit before adjustments | ……… | |
| Add: Incomes & Gains — Int. on Drawings, Int. on Investment, Prepaid Exp., Outstanding Income, Undervaluation of Assets, Overvaluation of Liabilities | ……… | |
| Less: Expenses & Losses — Int. on Capital, Int. on Loan, Bad Debts & RDD, Depreciation, Overvaluation of Assets, Undervaluation of Liabilities, Outstanding Exp., Income received in advance | ……… | |
| Net Profit / Net Loss for the year | ……… |
| 🧠 Memory Aid — "ADD" vs "LESS" items |
ADD to Profit: Drawings (to closing capital) • Interest on Drawings • Prepaid Expenses • Undervaluation of Assets • Overvaluation of Liabilities
DEDUCT from Profit: Additional Capital • Interest on Capital • Interest on Loan • Depreciation • Bad Debts & RDD • Overvaluation of Assets • Undervaluation of Liabilities • Outstanding Expenses
Solved Illustrations :
Illustration 1 — Simple Profit Calculation (Mr. Manoj)
Mr. Manoj keeps his books under Single Entry System and gives the following information:
- Capital as on 31.3.2017 ₹ 80,000
- Capital as on 31.3.2018 ₹ 1,00,000
- Drawings made during the year ₹ 3,000
- Additional Capital introduced during the year ₹ 8,000
Calculate Profit or Loss for the year ended 31st March, 2018.
Solution :
| Given :
Capital as on 31.3.2017 = ₹80,000 Capital as on 31.3.2018 = ₹1,00,000 Drawings during the year = ₹3,000 Additional Capital introduced = ₹8,000 |
| Particulars | Amt (₹) | Amt (₹) |
| Closing Capital | 1,00,000 | |
| Add: Drawings during the year | 3,000 | |
| 1,03,000 | ||
| Less: Additional Capital during the year | 8,000 | |
| Adjusted Closing Capital | 95,000 | |
| Less: Opening Capital | 80,000 | |
| Net Profit for the year | 15,000 |
Illustration 2 — Statement of Affairs with Depreciation (Mr. Morya)
Mr. Morya keeps his books on Single Entry System and gives the following information:
Additional information:
- Mr. Morya withdrew from business account ₹ 6,000 for personal use.
- He introduced Additional Capital of ₹ 30,000
- Depreciation is to be charged at 10% p.a. on Furniture and Machinery.
Prepare: 1) Opening and Closing Statement of Affairs
2) Statement of Profit or Loss for the year ended 31.3.2018
Solution :
This example shows how to prepare Opening & Closing Statements of Affairs in columnar form, then use the balancing capital figures in the Statement of Profit or Loss, further adjusted for depreciation and interest on loan.
Key data: Bills Payable, Sundry Creditors and Bank Loan @10% p.a. as liabilities; Machinery, Furniture, Stock, Debtors and Cash as assets, for years 2017 and 2018. Additional Capital ₹30,000 introduced; Drawings ₹6,000; Depreciation @10% p.a. on Furniture & Machinery.
Step 1: Statement of Affairs (Columnar Form)
| Liabilities | 31.3.2017 | 31.3.2018 | Assets | 31.3.2017 | 31.3.2018 |
| Bills Payable | 4,000 | 4,000 | Machinery | 60,000 | 60,000 |
| Sundry Creditors | 10,000 | 15,000 | Furniture | 30,000 | 30,000 |
| Bank Loan @10% | 4,300 | 4,300 | Stock in Trade | 20,000 | 35,000 |
| Capital (Bal. fig.) | 1,26,700 | 1,83,700 | Sundry Debtors | 25,000 | 42,000 |
| Cash at Bank | 10,000 | 40,000 | |||
| Total | 1,45,000 | 2,07,000 | Total | 1,45,000 | 2,07,000 |
Step 2: Statement of Profit or Loss
| Particulars | Amt (₹) | Amt (₹) |
| Capital as on 31.3.2018 | 1,83,700 | |
| Add: Drawings during the year | 6,000 | |
| 1,89,700 | ||
| Less: Additional Capital during the year | 30,000 | |
| Adjusted Closing Capital | 1,59,700 | |
| Less: Capital as on 31.3.2017 | 1,26,700 | |
| Profit before adjustments | 33,000 | |
| Less: Depreciation on Machinery (10% on 60,000) | 6,000 | |
| Less: Depreciation on Furniture (10% on 30,000) | 3,000 | |
| Less: Interest on Bank Loan (10% on 4,300) | 430 | 9,430 |
| Net Profit for the year | 23,570 |
Illustration 3 — Overvaluation of Stock (Jyoti)
Jyoti keeps her books on Single Entry System. From the following particulars, prepare Opening and Closing Statement of Affairs and Statement of Profit or Loss for the year ended 31st March 2018.
Additional Information:
- Jyoti has withdrawn ₹ 33,500 from the business for her private use.
- She has introduced additional Capital of ₹ 5,000 in the business on 1st Jan,2018
- Additions to Machinery were made on 1st January, 2018
- Depreciate Furniture and Machinery @ 10% p.a.
- Maintain R.D.D. @ 15% on Sundry Debtors.
- Closing Stock is overvalued by 20% in the books.
Solution :
This illustration involves multiple adjustments together: depreciation (with mid-year addition), Reserve for Doubtful Debts, and overvaluation of closing stock.
Working Note — Overvaluation of Stock by 20%
| Calculation
Actual Value = Book Value × 100 ÷ (100 + 20) = 90,000 × 100/120 = ₹75,000 Overvaluation = ₹90,000 − ₹75,000 = ₹15,000 (deducted as a loss) |
Statement of Profit or Loss :
| Particulars | Amt (₹) | Amt (₹) |
| Closing Capital as on 31.3.2018 | 3,53,000 | |
| Add: Drawings | 33,500 | |
| 3,86,500 | ||
| Less: Additional Capital | 5,000 | |
| Adjusted Closing Capital | 3,81,500 | |
| Less: Opening Capital as on 1.4.2017 | 2,76,500 | |
| Profit before adjustments | 1,05,000 | |
| Less: Depreciation on Furniture (10% on 18,000) | 1,800 | |
| Less: Depreciation on Machinery (existing + additional) | 9,750 | |
| Less: R.D.D. (15% on Debtors 1,60,000) | 24,000 | |
| Less: Overvaluation of Stock | 15,000 | 50,550 |
| Net Profit during the year | 54,450 |
Illustration 4 — Interest on Capital & Drawings, Bad Debts, RDD (Rohit)
Rohit a trader keeps his books on Single Entry System. His financial position as on 1.4.2018 and 31.3.2019 were as under;
During the year he had withdrawn ₹ 100 per month for household expenses. Depreciate Building by 10 % p.a. and Furniture by 12% p.a. (Assume additions to both were made on 1st Oct. 2018) Debtors ₹ 1,000 are bad and to be written off. Create Reserve for Doubtful Debts at 5% and maintain reserve for discount on debtors at 2%. Allow interest on capital at 5% p.a. and interest on drawings at 5% p.a. Prepare Opening and Closing Statement of Affairs and Statement of Profit or
Loss for the year ended 31.3.2019.
Solution :
This is the most comprehensive type of problem — combining depreciation on assets added mid-year, bad debts, RDD, reserve for discount on debtors, and interest on both capital and drawings.
| Particulars | Amt (₹) | Amt (₹) |
| Capital as on 31.3.2019 | 1,66,000 | |
| Add: Drawings (₹100 × 12 months) | 1,200 | |
| 1,67,200 | ||
| Less: Capital as on 1.4.2018 | 1,22,000 | |
| Profit before adjustments | 45,200 | |
| Add: Interest on Drawings (5% on 1,200 for 6 months) | 30 | |
| Less: Interest on Capital (5% on 1,22,000) | 6,100 | |
| Less: Depreciation on Building (existing + additional) | 5,000 | |
| Less: Depreciation on Furniture (existing + additional) | 2,100 | |
| Less: Bad Debts | 1,000 | |
| Less: R.D.D. (5% on 34,000) | 1,700 | |
| Less: Reserve for Discount on Debtors (2% on 32,300) | 646 | 16,516 |
| Net Profit for the year | 28,684 |
Note: Since the exact date of drawings was not given, interest on drawings is calculated for 6 months by default.
Glossary of Key Terms
| Term | Meaning |
| Single Entry System | An incomplete/unscientific form of Double Entry System where only Cash and Personal Accounts are maintained |
| Double Entry System | A scientific system where every transaction is recorded with its two-fold (dual) aspect |
| Statement of Affairs | A statement of Assets and Liabilities, similar to a Balance Sheet, used to find Capital |
| Statement of Profit or Loss | A statement comparing Opening and Closing Capital (with adjustments) to find Net Profit or Loss |
| Capital | The excess of Assets over Liabilities of a business |
| Additional Capital | Extra cash/assets brought into the business by the proprietor during the year |
| Drawings | Cash, goods, or assets withdrawn by the proprietor for personal use |
| Net Worth Method | Method of ascertaining profit by comparing Opening and Closing Capital |
| Bad Debts | Amount owed by a debtor that is not recoverable |
| R.D.D. | Reserve for Doubtful Debts — provision made for debts that may turn bad in future |
| Depreciation | Gradual fall in the value of a fixed asset due to wear and tear/use |
| Undervaluation | Recording an asset/liability at less than its true value |
| Overvaluation | Recording an asset/liability at more than its true value |
| Outstanding Expenses | Expenses due but not yet paid |
| Prepaid Expenses | Expenses paid in advance, relating to the next accounting period |
Exam Tips & Common Pitfalls
✅ Do This
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⚠️ Common Mistakes to Avoid
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| 🎯 High-Weightage Question Types
1. Direct profit calculation from given Opening/Closing Capital + Drawings + Additional Capital (short, 2-3 marks) 2. Preparation of Statement of Affairs from Assets & Liabilities, followed by Statement of Profit or Loss (practical, 8-10 marks) 3. Statement of Profit or Loss with multiple adjustments — depreciation, RDD, interest, over/undervaluation (practical, 10-12 marks) 4. One-mark objective questions (MCQ / True-False / Fill-in-the-blanks / Match the following / Find the odd one) from definitions and treatment rules |
Quick Revision — Adjustment Treatment At a Glance
| Adjustment Item | Add to Closing Capital | Deduct from Closing Capital |
| Drawings (Cash/Kind) | ✔ | |
| Additional Capital | ✔ | |
| Depreciation on Assets | ✔ | |
| Bad Debts | ✔ | |
| Reserve for Doubtful Debts | ✔ | |
| Undervaluation of Assets | ✔ | |
| Overvaluation of Assets | ✔ | |
| Undervaluation of Liabilities | ✔ | |
| Overvaluation of Liabilities | ✔ | |
| Interest on Loan | ✔ | |
| Interest on Capital | ✔ | |
| Interest on Drawings | ✔ | |
| Outstanding Expenses | ✔ | |
| Prepaid Expenses | ✔ |
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