[-/3 Points] DETAILS LARAPCALC10 2.4.505.XP. MY NOTES ASK YOUR TEACHER PRACTI The ordering and transportation cost C per unit for the components used in manufacturing a product is C = (500,000 + 8x2)/x, x 21 where C is measured in dollars and x is the order size. Find the rate of change of C with respect to x at each value. (Round your answers to three decimal places.) (a) x = 200 C'(200) = (b) x = 250 C'(250) = (c) x = 300 C'(300) = Need Help? Read It