Charlene Cosmetics Company just began business and made the following four inventory purchases in June: June 1 150 units $ 780 June 10 200 units 1,17o June 15 200 units 1,260 June 28 150 units 99o $4,200 A physical count of merchandise inventory on June 30 reveals that there are 210 units on hand. Using the average cost method, the amount allocated to the ending inventory on June 30 is a. $1,229. b. $1,368. c. $1,323. d. $1,260.