The accounting record of Marigold Corp, thow the following data Beginning inventory Purchases Sales 3.270 units at $6 8.550 units at 58 9.225 units at $11 Calculate average unit cost. (Round answer to 3 decimal places, s. 5.125.) Average unit cost $ per un eTextbook and Media List of Accounts Determine cost of goods sold during the period under a periodic inventory system using the FIFO method, the UFO method and the average cost method. (Round answers to decimal places, s. 125.) FIFO LIFO Average-cost Cost of goods sold $