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. datedescriptionunitsunit costtotal costjune 27purchase12$ 8$ 96 june 28 purchase389342june 29 purchase2011220 required:calculate the number and cost of goods available for sale.calculate the number of units in ending inventory at june 30.calculate the cost of ending inventory and the cost of goods sold under lifo.