Trey Monson starts a merchandising business on December 1 and eraters into the following three imvertory purchases Monson uses a perpetual irmeritory systeri. Atso, on December 15. Monson sells 15 units for $29 each. Purcheves ce Decenter? Purchases on Decomber 14 10units515.60cost20units821,00costisunits522.60cost QS 5-12 (Algo) Perpetual: Inventory costing with LIFO LO P1 Determine the costs assigned to ending irwentory when costs are assigned based on the LIfO method