Problem 5 A physical count of inventory on March 31 revealed that there were 450 units on hand. Use the data above to answer the following independent questions. You must SHOW YOUR WORK. 1. Assume the company uses the FIFO method. The COST of GOODS SOLD at December 31 is 5. 2. Assume the company uses the FIFO method. The value of December 31 Ending Inventory is 3. Assume that the company uses the average-cost method. The value of the ending inventory on December 31 is $ 4. Assume that the company uses the LIFO method. The value of the ENDING INVENTORY on December 31 is $