Problem 2: (12 points). Inventorv Methods: FIFO, LIFO, \& WiA Perpetual System During 20x1, Stevens Corporation has the followine in .. mancections. Inventory items are sold for $50 each. Stevens uses a periodic inventory system. Required: Show all your work and place your final answers in the spaces provided in the answers box: 1. Using FIFO, calculate (a) ending inventory, (b) cost of goods sold, (c) Cost of Goods Available and (d) gross profit. Work (FIFO)