This Question: 2 pts Assume Store.com began Mary with 8 units of inventory that cost a total of $120. During May Store.com purchased and sold goods as follows May 8 Purchase 24 units 516 14 Sale 20 units 532 22 Purchase 16 units $18 27 Sale 24 units 532 Under the FIFO inventory costing method and the perpetual inventory system how much is Store.com's cost of goods sold for the sale on May 147 OA $640 O B. $504 OC. $320 OD 5312 Type here to search