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PROBLEM 1 Ikea is a retailer company in Japan. It 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. The following information is available for Watson Market during March 2020. Desciption Quantity Price/Unit Date Feb 28 $60 Ending inventory 65 Mar 2 Purchase 45 $70 8 Sale 95 $92 11 Sale return 25 $92 13 Purchase 30 $75 21 Sale 43 $95 25 Purchase return 15 $75 Instructions a. Calculate the COGS ending inventory and gross profit under a periodic inventory system and perpetual inventory system using FIFO method. b. Calculate the COGS ending inventory and gross profit under a periodic inventory system and perpetual inventory system using Moving-average method