Exercise 6-8 (Part Level Submission) Concord Corporation uses the periodic inventory system and had 100 units in beginning inventory at a total cost of $15,000. The company purchased 400 units at a total cost of $80,000. At the end of the year, Concord had 60 units in ending inventory. (a) Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average-cost. (Round average-cost per unit and final answers to O decimal places, e.g. 1,250.) FIFO LIFO Average-cost The cost of the ending inventory $ The cost of goods sold A $