UMETs Stores had the following inventory transactions in 2022

Transaction Units Cost per Unit

1/1 Balance 50 $6

2/14 Sale 25

5/23 Purchase 100 8

8/21 Sale 50

1/5 Purchase 25 12

11/18 Sale 95

Compute the cost of goods sold and the ending inventory using the periodic inventory system for each of the following cost flow assumptions

a. FIFO

b. LIFO

c. Weighted average