The Central Valey Company is a manufacturing firm that produces and sels a single preduct. The comparys revenues and expenses for the inst four months are given below. Required: 1. Management is concerned about the losses experienced during the spring and would like fo know more about the cost behavidur, Devolop a cost equation for eoch of the costs 2. Using the cost equations. prepare a contribution mbrgin income statement fin good formy for September when 6,700 units are eapected to be soid