In: Accounting
| (a).Calculation of cost of good sold and ending inventory of Arrow Company: | ||||||||
| Under FIFO Method | ||||||||
| DATE | PURCHASED | COGS | INVENTORY | |||||
| May | units | cost per unit | unit | cost per unit | COGS | units | cost per unit | inventory | 
| 1-May | 400 | 4 | 1600 | |||||
| 3-May | 300 | 4 | 1200 | 100 | 4 | 400 | ||
| 4-May | 1300 | 4.1 | 100 | 4 | 400 | |||
| 1300 | 4.1 | 5330 | ||||||
| 14-May | 700 | 4.4 | 100 | 4 | 400 | |||
| 1300 | 4.1 | 5330 | ||||||
| 700 | 4.4 | 3080 | ||||||
| 16-May | 100 | 4 | 400 | 400 | 4.1 | 1640 | ||
| 900 | 4.1 | 3690 | 700 | 4.4 | 3080 | |||
| 18-May | 400 | 4.1 | 1640 | 700 | 4.4 | 3080 | ||
| 29-May | 500 | 4.75 | 700 | 4.4 | 3080 | |||
| 500 | 4.75 | 2375 | ||||||
| Total | 1700 | 6930 | 1200 | 5455 | ||||
| Cost of good sold= $6930 | ||
| Inventory = $ 5455 | ||
| (b). | |||
| Answer: | |||
| Journal entries: | |||
| Date | Particulars | Dr | Cr | 
| $ | $ | ||
| 3-May | Account receivable a/c Dr | 2100 | |
| sales a/c | 2100 | ||
| (Being sales made on credit @ $7 per unit) | |||
| 3-May | Cost of good sold a/c Dr | 1200 | |
| Merchandise inventory a/c | 1200 | ||
| (Being sales made which cost @$4 per unit) | |||
| 4-May | Purchase a/c (Merchandise inventory) Dr | 5330 | |
| Account payable a/c | 5330 | ||
| (Being urchase made on credit) | |||
| 16-May | Account receivable a/c Dr | 7000 | |
| sales a/c | 7000 | ||
| (Being sales made on credit @ $7 per unit) | |||
| 16-May | Cost of good sold a/c Dr | 4090 | |
| Merchandise inventory a/c | 4090 | ||
| (Being sales made which cost @$4 per unit for 100 units ,$4.1 per unit for 900 units) | 
| ( c ). | ||
| Calculation of Gross profit: | ||
| $ | $ | |
| Sales -MAY 3 - (300 units @ $7) | 2100 | |
| May 16 -(1000 units @$7) | 7000 | |
| May 18 - (400 units @ $7.5) | 3000 | 12100 | 
| Less: Cost of good sold under FIFO method | 6930 | |
| Gross profit | 5170 |