Frying Nemo, a company just starting a business purchased three inventory items at the following prices: March 2, $160; March 7, $170; and March 15, $190. If the company sold one unit for $230 on March 10 and one unit for $250 on March 20 and uses the average cost formula in a perpetual inventory system, what is the cost of ending inventory? O $180.00 $167.50 $250.00 $177.50