Current Attempt in Progress Ayayai Distribution markets CDs of the performing artist Fishe. At the beginning of October, Ayayai had in beginning inventory 4,100 of Fishe's CDs with a unit cost of $7. During October, Ayayai made the following purchases of Fishe's CDs. Oct. 3 Oct. 9 5,125 @ $8 7,175 @ $9 Oct. 19 6,150 @ $10 Oct. 25 8,200 @ $11 During October, 22,345 units were sold. Ayayai uses a periodic inventory system.