17- ABC Inc. purchased inventory as follows: Jan. 10200 units at $5.00 Jan. 20500 units at $10.00 Jan. 30800 units at $15.00 ABC Inc. had no beginning inventory and has 500 units on hand as of January 31. Assuming the FIFO method is used, ending inventory would be a) $5,000 b) $4,000 c) $13,000 d) 0 e) $7,500