Marin Inc. markets CDs of numerous performing artists. At the beginning of March, Marin Inc. had in beginning inventory 2,390 CDs with a unit cost of $8. During March, Marin Inc. made the following purchases of CDs. March 5 2,110 $9March 21 5,000 $11 During March 11,310 units were sold. Marin Inc. uses a periodic inventory system Your answer is partially correct. Try again. (a) Determine the cost of goods available for sale. The cost of goods available for sale (b) Calculate Average Cost. (Round ansver to 3 decimal places, e.g. 5.125.) Average Cost