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

Jan. 1	Inventory	17 units at $49
Feb. 17	Purchase	11 units at $50
Jul. 21	Purchase	17 units at $52
Nov. 23	Purchase	7 units at $53

There are 16 units of the item in the physical inventory at December 31. The periodic inventory system is used. Round average unit cost to the nearest cent and final answers to the nearest whole dollar, if required.

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

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

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