Assume that the books of a company that uses the periodic inventory method shows the following in their general ledger: Date Description # of Units Cost Per Unit Total Cost 50 $75 $ 3.750 Beginning Jan 1 inventory Feb Purchase 27 60 $80 4,800 Nov 21 Purchase 90 $85 7,650 They take a physical inventory at December 31st and have 40 units on hand. Determine the following. Show your numbers with commas. For example, 1,000. Not $1,000 or 1,000.00 or it will be marked wrong. Be sure to show your work on the sheet you will turn in at the end of the exam. a. Ending inventory using FIFO b. Ending inventory using LIFO c. Ending inventory using Average Cost