QS 5-12 Perpetual: Inventory costing with weighted average LO P Teey Monson starts a merthandising busness on December 1 and enters ints the following three iventory purchas0s Purchases on Decembor 7 Purchases on December 14 Purchases an December 21 18 units @ $10.00 cnet 35 units @ 315.00 cot 28 units 518.00 oost Required: Monson sells 28 unts fer $25 each an December 15. Monson uses a Dotermine t method. (Round your per unit costs to 2 decimal places ) perporual invertory system the costs assigned to ending invurtory when costs are assigned basad on the weigheed avarage Weighted Averags Perpetuy: Cest of Geeds Sold #of units unit Valu sold Balance 10.00150.00 18 19.00 180 0 5 0.00 Awerage cast Aarage cost Totss $ 000