(Appendix) Inventory Costing Methods. Ewing Corporation had the following purchases and issues during March: LO2 March 1 Beginning balance: 750 units @ $20 per unit 3

Purchased 400 units @ $19.50 per unit 5

Issued 600 units 12 Purchased 350 units @ $21.50 per unit 15 Issued 500 units 18 Purchased 500 units @ $22 per unit 22 Issued 400 units 26 Purchased 550 units @ $21 per unit 28 Issued 650 units 31 Purchased 200 units @ $20 per unit Required: Compute the cost of units issued and the cost assigned to the March 31 inventory by each of these perpetual inventory costing methods:

(1) First in, first out

(2) Last in, first out

(3) Average, rounding unit cost to the nearest tenth of a cent