Marigold Distribution markets CDs of numerous performing artists. At the beginning of March, Marigold had in beginning inventory 3,000 CDs with a unit cost of $7. During March, Marigold made the following purchases of CDs. March 5 3,750 @ March 21 @ $8 $9 6,500 4,000 $10 $11 March 13 5,250 March 26 @ During March 16,000 units were sold. Marigold uses a periodic inventory system. (a) Determine the cost of goods available for sale. Cost of goods available for sale