The following information is available from ABC co.'s inventory records for January 2017.

# of Units Unit cost Unit price

January 1, 2017 2,600 $10

Purchases on 1/5 2,400 11

Sales on 1/8 4,000 $20

Purchase on 1/15 8,000 12

Sales on 1/22 7,000 $20

Instructions: Compute the costs of goods sold for January 2017 using the following methods.

1) FIFO with perpetual inventory.

2) Weighted average. (Periodic system).

3) Moving average. (Perpetual system).

4) LIFO with periodic inventory.

5) LIFO with perpetual inventory.