Swifty Company uses a periodic inventory system. For April, when the company sold 420 units, the following information is available. Unit Cost $13 April 1 inventory April 15 purchase April 23 purchase Units 240 440 320 1,000 16 17 Total Cost $ 3,120 7,040 5,440 $15,600 Calculate weighted average cost per unit. (Round answer to 2 decimal places, e.g. 2.76.) Weighted average cost per unit Compute the April 30 inventory and the April cost of goods sold using the average-cost method. (Round answers to O decimal places, e.g. 2,760.) Ending inventorys Cost of goods sold