Skysong has the following inventory data: Nov. 1 8 Inventory Purchase Purchase Purchase 25 units @ $4.90 each 98 units @ $5.30 each 49 units @ $5.15 each 74 units @ $5.40 each 17 25 A physical count of merchandise inventory on November 30 reveals that there are 82 units on hand. Assuming that the specific identification method is used and that ending inventory consists of 25 units from each of the three purchases and 7 units from the November 1 inventory, cost of goods sold is O $863 O $217 O $831. O $858