Current Attempt in Progress In its first month of operations, Wildhorse Co. made three purchases of merchandise in the following sequence: 200 units at $6;250 units at $5; and 300 units at $4. There are 420 units on hand at the end of the period. Wildhorse uses a periodic inventory system. (a) Calculate the cost of the ending inventory and cost of goods sold under FIFO. FIFO $ Ending inventory Cost of goods sold $ e Textbook and Media