Tammy Sales, Inc. had the acquisition schedule below in July. During the month of July the company sold 3000 units. Unit Purchased Units Cont July 8 19 23 900 e 1200 e 1500 1000 $50 $56 $60 $62 REQUIRED Assuming Tommy Sales, Inc. uses a periodic inventory system, calculate the amount of ending inventory under each of the following pricing methods first-in, first-out; last-in, first- out: and weighted average. (Hint: calculate the Ending Inventory