Periodic inventory using FIFO, LIFO, and weighted average cost methods

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

Date Line Item Description Units Cost per Unit Amount
Jan. 1 Inventory 40 units at $165 $6,600
Aug. 13 Purchase 200 units at $180 36,000
Nov. 30 Purchase 60 units at $200 12,000
Available for sale 300 units $54,600
There are 75 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the inventory cost using the (a) first-in, first-out (FIFO) method; (b) last-in, first-out (LIFO) method; and (c) weighted average cost method.

Line Item Description Amount
a. First-in, first-out (FIFO) method $fill in the blank 1
b. Last-in, first-out (LIFO) method $fill in the blank 2
c. Weighted average cost method $fill in the blank 3