Problem 6-16A x Your answer is incorrect. Try again. Pronghorn Inc.'s inventory for the month of November was as follows: Unit Cost Units Date Description 1 Beginning inventory Nov. 100 $40 4 Purchase 500 42 11 Sale (450) 16 Purchase 750 45 20 Sale (800) 27 Purchase 600 47 () 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 32213 54305.72 32644 Cost of Goods Sold 55737