Pricing of material issues: FIFO, LIFO and weighted average stores ledger
Cost and Management Accounting · Foundations · Topic 4 of 18 · 4 min read
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1. Why pricing matters
Material is bought in lots at different prices. When it is issued to production the cost accountant must decide which price to charge to the job, and the same decision fixes the value of closing stock. The choice affects product cost, profit and stock value, though not the total cost of material bought.
2. The methods
- FIFO (first in, first out): issues are priced at the oldest lot still in stock. Closing stock is at the latest prices. In rising prices it charges low costs to production and shows higher profit.
- LIFO (last in, first out): issues are priced at the latest lot. Production bears current prices; closing stock is at old prices. In rising prices it shows lower profit. Ind AS 2 does not permit LIFO for financial statements, though it remains a costing method and an exam topic.
- Simple average: average of the prices of lots in stock, ignoring quantities.
- Weighted average: total value of stock / total quantity, recomputed after every receipt. It smooths price changes. Ind AS 2 allows FIFO and weighted average.
- Standard price: issues at a predetermined price; differences go to a material price variance.
- Replacement or market price: issues at the current cost of replacing the material.
3. Solved: LIFO (January 2026, B.Com)
April 1 opening 200 units at Rs. 2; 5th purchased 400 at Rs. 3; 10th issued 250; 16th purchased 500 at Rs. 3; 20th issued 300; 30th purchased 200 at Rs. 4; May 1 issued 500.
| Date | Receipts | Issues | Balance | Value |
|---|---|---|---|---|
| Apr 1 | 200 @ 2 | 400 | ||
| Apr 5 | 400 @ 3 = 1,200 | 200 @ 2, 400 @ 3 | 1,600 | |
| Apr 10 | 250 @ 3 = 750 | 200 @ 2, 150 @ 3 | 850 | |
| Apr 16 | 500 @ 3 = 1,500 | 200 @ 2, 150 @ 3, 500 @ 3 | 2,350 | |
| Apr 20 | 300 @ 3 = 900 | 200 @ 2, 150 @ 3, 200 @ 3 | 1,450 | |
| Apr 30 | 200 @ 4 = 800 | 200 @ 2, 350 @ 3, 200 @ 4 | 2,250 | |
| May 1 | 200 @ 4 + 300 @ 3 = 1,700 | 200 @ 2, 50 @ 3 | 550 |
Issues total 3,350; closing stock 250 units, Rs. 550. Check: receipts 400 + 1,200 + 1,500 + 800 = 3,900 = 3,350 + 550.
4. Solved: weighted average (same data)
| Date | Receipt / issue | Balance qty | Balance Rs. | Rate |
|---|---|---|---|---|
| Apr 1 | Opening | 200 | 400.00 | 2.0000 |
| Apr 5 | +400 @ 3 = 1,200 | 600 | 1,600.00 | 2.6667 |
| Apr 10 | −250 @ 2.6667 = 666.67 | 350 | 933.33 | 2.6667 |
| Apr 16 | +500 @ 3 = 1,500 | 850 | 2,433.33 | 2.8627 |
| Apr 20 | −300 @ 2.8627 = 858.82 | 550 | 1,574.51 | 2.8627 |
| Apr 30 | +200 @ 4 = 800 | 750 | 2,374.51 | 3.1660 |
| May 1 | −500 @ 3.1660 = 1,583.01 | 250 | 791.50 | 3.1660 |
Issues total 666.67 + 858.82 + 1,583.01 = 3,108.50; closing stock 791.50; together 3,900. Compared with LIFO, the weighted average charges less to production (3,108.50 against 3,350) and values closing stock higher, because prices were rising.
5. Solved: FIFO with a return to vendor (January 2025, B.Com)
Opening 2,000 at Rs. 26; issues of 1,000 and 800; purchase 1,500 at Rs. 27.50; issues of 400 and 320; purchase 1,000 at Rs. 29; issue 1,400; return to vendor of 30 units from the 6th January lot; purchase 1,500 at Rs. 34.
- Issues of 1,000 and 800 at 26 = 26,000 and 20,800; balance 200 @ 26.
- Issue of 400 = 200 @ 26 + 200 @ 27.50 = 10,700; issue of 320 @ 27.50 = 8,800; balance 980 @ 27.50.
- Issue of 1,400 = 980 @ 27.50 + 420 @ 29 = 26,950 + 12,180 = 39,130; balance 580 @ 29.
- Return to vendor is shown as a minus in receipts, at the price of the lot returned: 30 @ 29 = 870; balance 550 @ 29 = 15,950.
- Purchase 1,500 @ 34 = 51,000; closing stock 550 @ 29 + 1,500 @ 34 = 2,050 units, Rs. 66,950.
How this is examined
The stores ledger is the 10-mark alternative to the inventory-techniques essay in Unit II, and the 100-mark paper sets a LIFO statement for 16 marks. Draw the ruled three-block table, show each lot separately in the balance column, total the issues, and close with the arithmetic check. A two-line comment on the effect on profit earns the last mark.
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