will someone show me how to do this?

Charlene Cosmetics Company just began business purchases in June: and made the following four inventory June 1 June 10 June 15 June 28 150 units 200 units 200 units 150 units $ 780 1,170 1,260 990 $4,200 A physica units on hand. Using the average cost method, the amount allocated to the ending inventory on June 30 is I count of merchandise inventory on June 30 reveals that there are 210 a. $1,229. b. $1,368. c. $1,323. d$1.260 r sale hut each employs a