Inventory Costing Methods-Periodic Method Arrow Company is a retailer that uses the periodic inventory system August 1 tegning inventory Out of Product A51.600 total com 5. Purchased 100 units of Product D52.116 calco Purchased 200 units of Product A $4,46 lost 11 Sold 170 units of Product A54.00 total sale Calculate the August cost of goods sold and the ending inventory at August 31 using (a) first in, first-out, (b) lastin, first out, and to 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 OX Cost of Goods Sold 3399 R. Lastin est out Ending inventory 4/489 X Cost of Goods Sold 3,643 Weighted average cost Ending Inventory 4.601 Cost of Goods Sold 3.531 x 1