Jan. 1 Beginning inventory Mar. 7 Purchased July 28 Purchased Oct. 3 Purchased Totals 120 units @ $2.10 225 units @ $2.20 450 units @ $2.30 60 units @ $2.45 855 units = +A 252 = = = 495 1,035 147 $ 1,929 Required: 1. Ending inventory consists of 160 units. Assuming a periodic system, determine the costs to be assigned to cost of goods sold and ending inventory under: (Round your intermediate calculations and final answers to 2 decimal places.) Answer is not complete. Ending Inventory Cost of Goods Sold a. FIFO $ 377.00 b. Weighted average cost