Assume Store.com began October with 8 units of inventory that cost a total of $128. During October, Store.com purchased and sold goods as follows: Oct. B Purchase 24 units @ $17 14 Sale 20 units @ $34 22 Purchase 16 units @ $19 27 Salo 24 units $34 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 October 14? O A. $680 $340 OOO $536