P1. The following information is available from ABC co.'s inventory records for January. # of Units Unit cost Unit price January 1 1,000 $10 Purchases on 1/5 3,400 11 Sales on 1/8 4,000 $20 Purchase on 1/15 5,000 Sales on 1/22 4,000 $20 12 Instructions: Compute the costs of goods sold for January 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