Brief Exercise 8-13 (Algo) Inventory cost flow methods; periodic system [LO8-4] Salt and Mineral (SAM) began 2024 with 270 units of its one product. These units were purchased near the end of 2023 for $24 each. During the month of January, 135 units were purchased on January 8 for $27 each and another 270 units were purchased on January 19 for $29 each. Sales of 130 units and 170 units were made on January 10 and January 25, respectively. There were 375 units on hand at the end of the month. SAM uses a periodic inventory system. Required: 1. Calculate ending inventory and cost of goods sold for January using FIFO. 2. Calculate ending inventory and cost of goods sold for January using average cost. Complete this question by entering your answers in the tabs below. Calculate ending inventory and cost of goods sold for January using average cost. Note: Round cost per unit to 2 decimal places