Required informetion Importont Note! Before you start working on this problem, wotch the Hint video. This video shows you exactly how to work this problem. [The following information applies to the questions displayed below] Trey Monson starts a mefchandising business on December 1 and enters into the following three inventory purchases Monson uses a perpetual inventory system. Also, on December 15 , Monson selis 30 units for $35 each. Importont Note! Before you start working on this problem, watch the Hint video. This video shows you exactly how to work this problem. Required: Required information