Periodic Inventory by Three Methods

The units of an item available for sale during the year were as follows:

Jan. 1	Inventory	200	units at $60
Feb. 17	Purchase	275	units at $64
July 21	Purchase	300	units at $68
Nov. 23	Purchase	225	units at $70

There are 220 units of the item in the physical inventory at December 31. The periodic inventory system is used.

a. Determine the inventory cost by the first-in, first-out method. $

b. Determine the inventory cost by the last-in, first-out method. $

c. Determine the inventory cost by the weighted average cost method. $