Ontario Skateboard Company has the following inventory and purchases during the fiscal year ended December 31, 2020. Beginning Inventory 325 units @ $ 85/unit March 10 purchased March 20 sold May 13 purchased 227 units @$ 87/unit 353 units @ $165/unit 302 units @$ 81/unit August 5 purchased September 10 sold 260 units @$ 73/unit 514 units @ $ 165/unit Ontario Skateboard Company employs a perpetual inventory system.