Fin Company maintains a perpetual inventory system and uses the weighted average method of assigning costs. Purchases and sales of inventory for the month of September are as follows: Date Activities Units Acquired at Cost Units Sold at Retail 9/1 Beginning Inventory 10 units @ $101 each = $1,010 9/3 1st Purchase 30 units @ $105 each = $3,150 9/4 1st Sale 20 units @ $225 each = $4,500 9/10 2nd Purchase 35 units @ $115 each = $4,025 9/15 2nd Sale 35 units @ $240 each = $8,400 9/28 3rd Purchase 16 units @ $120 each = $1,920 What is the value of Cost of Goods Available for Sale for the month of September?