Jasper & Williams made purchases of a particular product in the current year as follows: Jan. 1 Beginning inventory Mar. 7 Purchased July 28 Purchased Oct. 3 Purchased Totals 110 units @ $2.30 275 units @$2.40 550 units @ $2.50 se units $2.60 985 units $ 253 660 1,375 130 $ 2,418 Required: 1. Ending Inventory consists of 170 units. Assuming a periodic system, determine the costs to be assigned to cost of goods sold an ending inventory under: (Round your intermediate calculations and final answers to 2 decimal places.) Ending Inventory Cost of Goods Sold a FIFO b. Weighted average cost