Accounting, please help

I revised the question, pic below is what I need help with:

Page Five Part 2- Problem #3: Inventory Valuations: This problem is worth 5 points. Une the space below for your answer. You must show all computations in order to receive full credit. Go-Matt, Inc.'s best selling item is the Double-Deluxe vibrating chair. The purchase information regarding this item for the current year is listed below: Date # Units Unit Cost Total Cost 1/10 3/15 5/25 $ 350 $ 375 $ 400 $ 420 $ 450 $ 475 $ 8,750 11,250 16,000 8,400 13,500 9.500 8/28 10/16 12/27 20 Total 165 $ 67,400 Sales for the year were 120 units. Required: 1) How many units are left in the inventory? 2) Calculate the ending inventory value using each of these methods: a) FIFO b) LIFO c) Average Cost 3) Which inventory method would result in paying the highest amount of income taxes