2 and 3 are wrong and I need help finding them please

Grother Company uses the perlodic inventory method and had the following inventory information available: 1/1 1/20 Purchase 7/25 Purchase 10/20 Purchase Beginning Inventory100 500 100 300 1,000 Units Unit Cost Total Cost $400 2,500 700 2,400 $6,000 $4 $5 $7 $8 A physical count of inventory on December 31 revealed that there were 350 units on hand Answer the following independent questions. 1. Assume that the company uses the FIFO method. The value of the ending inventory at December 31 is 2 Assume that the company uses the average cost method. The value of the ending inventory on December 31 is 3. Assume that the company uses the LIFO method. The value of the ending inventory on December 31 is 4. (a) Determine the difference in the amount of income that the company would have reported if it had used the FIFO 1650 2100 1100 $ method instead of the LIFO method 4. (b) Would income have been greater or less? Greater