Paddington Gifts 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 280 units @ $6.40 - $ 1,792 540 units @ $6.00 3,240 1,100 units @$5.40 5,940 860 units @ $4.80 4,128 2,780 units $ 15,100 Required: 1. The business uses a periodic inventory system. Ending inventory consists of 130 units. Calculate the costs to be assigned to the ending inventory and to goods sold under: (Round intermediate calculations and final answers to 2 decimal places for "Weighted average cost") Ending Inventory Cost of Goods Sold a FIFO Weighted average cost b