Inventory Costing Methods - Periodic Method Fortune Stores uses the periodic inwentory system for its merchandise inventory. The April 1 inventory for one of the items in the merchandise inventory consisted of 120 units with a unit cost of 5395 . Transactions for this item during April were as follows: Required a. Calculate the cost of goods sold and the ending inventory cost for the month of April tising the weighted average cost method. Do not round tintil your final answers Round your final answers to the nearest dollar. b. Caiculate the cost of goods sold and the ending irwentory cost for the month of April using the first-in, first-out method. c. Calculate the cost of goods sold and the ending inventory cost for the month of April using the lastin, first-out method