Shanrock Company uses the periodic inventory method and had the following inventory information available Units Unit Cost Total Cost 1/1 Beginning Inventory 100 $4 $400 1/20 Purchase 400 $6 2,400 7/25 Purchase 200 $7 1,400 10/20 Purchase 300 $8 2,400 1,000 $6,600 A physical count of inventory on December 31 revealed that there were 400 units on hand. Answer the following independent questions. 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,(5) Determine the difference in the amount of income that the company would have $