In: Accounting
The following data regarding purchases and sales of a commodity
were taken from the related perpetual inventory account:
| June 1 | Balance | 25 units at $60 | 
| 6 | Sale | 20 units | 
| 8 | Purchase | 20 units at $61 | 
| 16 | Sale | 10 units | 
| 20 | Purchase | 20 units at $62 | 
| 23 | Sale | 25 units | 
| 30 | Purchase | 15 units at $63 | 
Calculate the cost of the ending inventory at June 30, using (a) the first-in, first-out (FIFO) method and (b) the last-in, first-out (LIFO) method. Identify the quantity, unit price, and total cost of each lot in the inventory.
(a) First-In, First-Out (FIFO):
| Date: June | Quantity | Unit Price | Total cost | |
| units at | $ | $ | ||
| units at | $ | |||
| BLANK | Total | $ | ||
(b) Last-In, First-Out (LIFO):
Date: June  | quantity | unit price | total cost of each lot | |
| units at | $ | $ | ||
| units at | $ | |||
| units at | $ | |||
| BLANK | Total | $ | ||
| As Per FIFO Method | ||||||||||||
| Date | opening stock | purchase | sale | closing stock | ||||||||
| June | Units | Rate | Amount | Units | Rate | Amount | Units | Rate | Amount | Units | Rate | Amount | 
| 1 | 25 | 60 | 1500 | 25 | 60 | 1500 | ||||||
| 6 | 20 | 60 | 1220 | 5 | 60 | 300 | ||||||
| 8 | 5 | 60 | 300 | 20 | 61 | 1220 | 5 | 60 | 300 | |||
| 20 | 61 | 1220 | ||||||||||
| 16 | 5 | 60 | 300 | 5 | 60 | 300 | ||||||
| 20 | 61 | 1220 | 5 | 61 | 305 | 15 | 61 | 915 | ||||
| 20 | 15 | 61 | 915 | 20 | 62 | 1240 | 15 | 61 | 915 | |||
| 20 | 62 | 1240 | ||||||||||
| 23 | 15 | 61 | 915 | 15 | 61 | 915 | ||||||
| 20 | 62 | 1240 | 10 | 62 | 620 | 10 | 62 | 620 | ||||
| 30 | 10 | 62 | 620 | 15 | 63 | 945 | 10 | 62 | 620 | |||
| 15 | 63 | 945 | ||||||||||
| 25 | 1565 | |||||||||||
| Cost of Ending inventory as per FIFO: 25 Unit and total Value $1565 | 
| As per LIFO Method | ||||||||||||
| Date | opening stock | purchase | sale | closing stock | ||||||||
| June | Units | Rate | Amount | Units | Rate | Amount | Units | Rate | Amount | Units | Rate | Amount | 
| 1 | 25 | 60 | 1500 | 25 | 60 | 1500 | ||||||
| 6 | 20 | 60 | 1220 | 5 | 60 | 300 | ||||||
| 8 | 5 | 60 | 300 | 20 | 61 | 1220 | 5 | 60 | 300 | |||
| 20 | 61 | 1220 | ||||||||||
| 16 | 5 | 60 | 300 | 10 | 61 | 610 | 5 | 60 | 300 | |||
| 20 | 61 | 1220 | 10 | 61 | 610 | |||||||
| 20 | 5 | 60 | 300 | 20 | 62 | 1240 | 5 | 60 | 300 | |||
| 10 | 61 | 610 | 10 | 61 | 610 | |||||||
| 20 | 62 | 1240 | ||||||||||
| 23 | 5 | 60 | 300 | |||||||||
| 10 | 61 | 610 | 20 | 62 | 1240 | 5 | 60 | 300 | ||||
| 20 | 62 | 1240 | 5 | 61 | 305 | 5 | 61 | 305 | ||||
| 30 | 5 | 60 | 300 | 5 | 60 | 300 | ||||||
| 5 | 61 | 305 | 15 | 63 | 945 | 5 | 61 | 305 | ||||
| 15 | 63 | 945 | ||||||||||
| 25 | 1550 | |||||||||||
| Cost of Ending inventory as per LIFO: 25 Unit and total Value $1550 |