7 0 The planning department of Abstract Office Supplies has been asked to determine whether the company should introduce a new computer desk next year. The department estimates that $6000 of new manufacturing equipment will need to be purchased and that the cost of constructing each desk will be $200. The department also estimates that the revenue from each desk will be $450. Which cost function C(x) and revenue function R(x) can be used to model this scenario? C(x) = 6000x + 200 OR(X) = 450x C(x) = 200x + 6000x OR(X) = 450X C(x) = 450x + 6000 OR(X) = 200x