Problem 6-16A Blue Inc.'s inventory for the month of November was as follows Date Description Units Unit Cost Nov. 1 Beginning inventory 100 $41 4 Purchase 500 43 (450) 11 Sale 16 Purchase 750 44 20 Sale (800) 600 27 Purchase 46 (a) Calculate the ending inventory and cost of goods sold using the average cost formula in (1) a perpetual inventory system, and (2) a periodic inventory system. (Round answers to 2 decimal places, e.g. 1.25.) Periodic Inventory System Perpetual Inventory System Ending Inventory Cost of Goods Sold