The value of unsold inventory at the end of an accounting period
Closing stock, also called ending inventory, is the total value of goods and materials that remain unsold or unused at the end of an accounting period. It is calculated by adding opening stock and purchases, then subtracting the cost of goods sold during the period. Closing stock appears on the credit side of the Trading Account and as a current asset on the Balance Sheet. For Indian businesses, closing stock must be valued at the lower of cost or net realisable value, as per Indian Accounting Standards. Accurate closing stock valuation directly impacts your gross profit, net profit, and tax liability. During physical stock verification or stock audits, the actual closing stock is counted and compared with book records. Any discrepancy must be investigated and adjusted through stock adjustment entries. Proper closing stock records are essential for GST audits and income tax assessments.
A mobile accessories shop in Bengaluru starts April with Rs. 3,00,000 of opening stock. During the month, the owner purchases goods worth Rs. 2,00,000 and makes sales costing Rs. 3,50,000 (at cost price). The closing stock = Rs. 3,00,000 + Rs. 2,00,000 - Rs. 3,50,000 = Rs. 1,50,000. This Rs. 1,50,000 will become the opening stock for May. If physical count reveals only Rs. 1,40,000 worth of stock, the Rs. 10,000 difference needs investigation.
Closing Stock = Opening Stock + Purchases - SalesExample: If your opening stock is ₹2,00,000, you purchased goods worth ₹5,00,000 during the month, and your cost of goods sold was ₹4,50,000, then Closing Stock = ₹2,00,000 + ₹5,00,000 − ₹4,50,000 = ₹2,50,000.
A higher closing stock reduces your cost of goods sold, which increases your gross profit and taxable income. Conversely, a lower closing stock means higher COGS and lower reported profit. This is why accurate stock valuation is critical during year-end.
Differences between physical and book stock can arise from theft, damage, measurement errors, or unrecorded transactions. You should investigate the gap and pass a stock adjustment entry to correct the books before finalising your accounts.
For GST, you should be able to report your stock position at any time during an audit. Maintaining a real-time stock register ensures your closing stock figures are always ready, whether for monthly GST returns or annual filings.
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