Diera Factory has the following inventory information. March 1 Beginning Inventory 50 units at $118 March 5 Purchases 60 units at $125 March 15 Sale 80 units sold at $140 March 24 Purchases 70 units at $130 March 30 Sales 50 units sold at $150 Assuming that a periodic inventory system is used, the amount allocated to the cost of goods sold on a weighted average cost basis is around: Select one: o a $15,060 b. $10,000 . O $ 16,250" d. $9,560