flounder distribution markets CDs of numerous performing artist. At the beginning of March flounder had in beginning inventory 2590 CDs with a unit cost of seven dollars. During March, flounder made the following purchases of CDs.

march 5 1,950 @ $8 march 13 3,400 @ $9

march 21 5,240 @ $10 march 26 1,970 @ $11

During March 11, 280 units were sold. flounder uses a periodic inventory system

(a) determine the cost of goods available for sale

The cost of goods available for sale = $?