Walashe company. is a retailer operating in Bale Robe Ethiopia. Walashe uses the perpetual inventory method. All sales returns from customers result in the goods being returned to inventory; the inventory is not damaged. Assume that there are no credit transactions; all amounts are settled in cash. You are provided with the following information for Ticotin Inc. for the month of January 2022. Unit Cost or Date Description Quantity Selling Price January 1 Beginning inventory 100 $15 January 5 Purchase 150 18 January 8 Sale 110 28 January 10 Sale return 10 28 January 15 Purchase 55 20 January 16 Purchase return 5 55 January 20 Sale 80 32 January 25 Purchase 30 22 Instructions (a) For each of the following cost flow assumptions, calculate (i) cost of goods sold, (ii) ending inventory, and (iii) gross profit. (1) LIFO. (2) FIFO. (3) Moving-average cost. (b) Compare results for the three cost flow assumptions.​