Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Monsoh uses a perpetual inventory system. Aso, on Docember 15. Monson sells 15 units for $33 each. Purchases on Decenber ? purchases on Decenber 14 hurchases on becenter 21 10unitsa$19.00cost2eunits525.60costisunits8527.00cost QS 5.13 (Algo) Perpetual: Inventory costing with weighted average LO P1 Determine the costa assigned to ending imventory when costs are assigned bosed on the woighted average method. Note: Round your per unit costs to 2 decimal places