Assume Nile.com began June with 10 units of inventory that cost a total of $180. During June, Nile.com purchased and sold goods as follows: Jun. 8 14 22 27 Purchase 30 units @ $19 Sale 25 units @ $38 Purchase 20 units @ $21 Sale 30 units @ $38 Suppose Nile.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 June 8. Round weighted average unit cost to the nearest cent. O A. $20.00 B. $18.50 O C. $18.75 D. Cannot be determined from the data given