Given the following inventory adivity, what is ending inventory using the perpetual FFO costing method? (Round any intermediary calculations to the nearest cent and your final answer to the Date Unit Cost Beginning Belance Quantity 200 $6.50 September 17 Purchase 50 $3.00 September 24 Sale 80 September 20 Purchases 25 $4.00 OA 190 units @ $6.50 and 5 units @$4.00 OB 175 units $6.50 and 20 urvits @ $3.00 c. 195 units at $4.50 OD. 120 units @ $6.50 and 50 units @ $3.00 and 25 units @$4.001