Inventory Costing Methods-Perpetual Method Archer Company is a retailer that uses the perpetual inventory system. August 1 Beginning inventory 5 Purchased 8 Purchased 11 Sold 90 units of Product A @ $1,600 total cost 110 units of Product A @ $2,116 total cost 210 units of Product A @ $4,416 total cost 160 units of Product A Calculate the inventory cost of item A on August 11(after the sale) using (a) first-in, first-out, (b) last-in, first-out, and (c) the weighted average cost methods. Do not round until your final answers. Round your final answers to the nearest dollar. A. First-in, first-out Ending Inventory B. Last-in, first-out Ending Inventory C. Weighted-average Ending Inventory