need help with the weighted average inventory costing method

Assume Bargain com began March with 16 units of inventory that cost a total of $240. During March, Bargain com purchased and sold goods as follows: (Click the icon to view the purchases and saleb) Suppose Bargain.com used the weighted-avorage imventory costing method and the perpetial imventory system. Compule the weighted-average unit cost of the company's inventery on hand at March 8. Round weightod-average unit cost to the noarest cent A. $15.75 B. $17.00 C. $15.50 D. Cannot be determined from the data gwon Data table