Beginning inventory, purchases and sales data for hammers are as follows:

Mar. 3 Inventory 12 units @ $15

11 Purchase 13 units @ $17

14 Sale 18 units

21 Purchase 9 units @ $20

25 Sale 10 units

Assuming the business maintains a perpetual inventory system, complete the inventory cards and calculate the cost of merchandise sold and ending inventory under the following assumptions:

a. First-in, first-out

Cost of merchandise sold:

Ending Inventory:

b. Last-in, first-out

Cost of merchandise sold:

Ending Inventory: