Sheridan Distribution markets CDs of the performing artist Unique: At the beginning of October, Sheridan had in beginning inventory 2,000 of Unique's CDs with a unit cost of \$7. During October, Sheridan made the following purchases of Unique's CDs. During October, 10,850 units were sold. Sheridan uses a periodic inventory system. Sheridan Distribution markets CDs of the performing artist Unique: At the beginning of October, Sheridan had in beginning inventory 2,000 of Unique's CDs with a unit cost of \$7. During October, Sheridan made the following purchases of Unique's CDs. During October, 10,850 units were sold. Sheridan uses a periodic inventory system