The followng informucion applies fo the questions displisyed below] Trey Monson starts a merchanditing business on December 1 and enters into the following truee inveriory purchases Monson uses a perpetua imventacy System. Aso, on Decwember 15, Monson wels 15 units for $20 each Determine the costs assigned to ending inventory when costs ate assigned bisted on the weighed imerage method, Noter Round your per unit costs te 2 esecimal places