Not sure how to do number 15 based off the information given on number 13.

13. Using the following information calculate the cost of Goods Sold (COGS) and Ending Inventory (EI) using the "FIFO Periodic/Perpetual" method. Beginning Inventory 2,400 units @ $29 each Jan 5th Sold 2,000 units 2000 #29 - 68000 Jan 10th Purchased 4,000 units @ $37 3800 834 + 129800 Jan 15th Sold 3,500 units Jan 20th Purchased 2,000 units @ $41 184500 15. Using the facts from Problem #13, please calculate the COGS and El using the LIFO Perpetual" method. Note: This method requires a little more thought but is more in line with the actual events, in chronological order