Concord Company uses a periodic inventory system. For April, when the company sold 550 units, the following information is available. Units Unit Cost Total Cost April 1 inventory 260 $15 $3,900 April 15 purchase 430 18 7,740 April 23 purchase 310 20 6.200 1,000 $17,840 Your answer is incorrect. 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 0 decimal places, e.g. 2,760.) Ending inventory $ Cost of goods sold $