A company just starting a business purchased three inventory items at the following prices: March 2, $245; March 7, \$255; and March 15, \$275. If the company sold one unit for $325 on March 10 and one unit for $345 on March 20 and uses the average cost formula in a perpetual inventory system, what is the cost of ending inventory? $275.00$258.33$262.50$345.00