Brief Exercise 8-12 (Algo) Inventory cost flow methods; perpetual system [LO8-4] Salt and Mineral (SAM) began 2024 with 360 units of its one product. These units were purchased near the end of 2023 for $20 each. Juring the month of January, 180 units were purchased on January 8 for $23 each and another 360 units were purchased on January 19 for $25 each. Sales of 170 units and 270 units were made on January 10 and January 25 , respectively. There were 460 units on land at the end of the month. SAM uses a perpetua/ inventory system. Required: 1. Complete the below table to calculate ending inventory and cost of goods sold for January using FIFO. 2. Complete the below table to calculate ending inventory and cost of goods sold for January using average cost