Assume Shopping.com began January with 14 units of inventory that cost a total of $210. During January, Shopping.com purchased and sold goods as follows: Jan. 8 Purchase 42 units @ $16 14 Sale 35 units @ $32 22 Purchase. 28 units @ $18 27 Sale 42 units @ $32 Suppose Shopping.com used the weighted-average inventory costing method and the perpetual inventory system. Compute the weighted average unit cost of the company's inventory on hand at January 8. Round weighted average unit cost to the nearest cent. O A. $17.00 O B. $15.50 OC. $15.75 OD. Cannot be determined from the data given