Solve this part using the info provided. Please open the images in a new tab if you are having trouble with the font size. Thank you.

Problem 6 02A a, b1 b2, c (Pat Level Submission) (Video) Whispering Winds Distribution markets CDs of the performing artist Fishe. At the beginning of October, Whispering Winds had in beginning inventory 4,000 of Fishe's CDs with a unit cost of $7. During October, Whispering Winds made the following purchases of Fishe's CDs Oct. 3 5,000 $8 Oct. 19 6,000$10 Oct. 9 7,000$9 Oct. 25 8,000$11 During October, 21,800 units were sold. Whispering Winds uses a periodic inventory system