Book Just One Product (JOP) began operating on June 26 with no inventory on hand. It then made the purchases listed below. JOP sold and delivered 46 units on June 30. Date June 27 June 28 June 29 Description Purchase Units 12 Unit Cost $8 Total Cost Purchase 38 9 $ 96 342 Purchase 20 11 220 Required: erences 1. Calculate the number and cost of goods available for sale. 2. Calculate the number of units in ending inventory at June 30. 3. Calculate the cost of ending inventory and the cost of goods sold under Weighted Average Cost.