Wheels Company manufactures and sells children's skateboards. Each skateboard requires four bearings. For September, Wheels Company has budgeted skateboard sales of 500 skateboards, while 580 skateboards are scheduled to be produced. Wheels Company will begin September with 200 bearings in its beginning inventory, and estimates ending inventory for September to be 520 bearings. How many bearings should Wheels Company purchase in September? A. 300 B. 2,640 C. 2,520 D. 2,320