Monty Distribution markets CDs of the performing artist Fishe. At the beginning of October, Monty had in beginning inventory 3,200 of Fishe's CDs with a unit cost of $6. During October, Monty made the following purchases of Fishe's CDs. Oct 3 Oct. 9 4,000 @ $7 5,600 @ $8 Oct. 19 Oct. 25 4,800 $9 6,400 @ $10 During October 17,440 units were sold. Monty uses a periodic inventory system. (a) Determine the cost of goods available for sale. Cost of goods available for sale $