Problem 16: Inventory Costing Method The inventory stock card of Beth Corporation on January 2030 is as follows: Purchase Units Balance Price Unit Sold Units Jan. 1 100 10,000 10,000 Jan. 15 5,000 5,000 Jan. 18 110 15,000 20,000 Jan. 20 100 500 20,500 Jan. 30 5,500 15,000 Required: Compute the ending inventory cost using a. Moving Average method b. FIFO method c. LIFO method