The ordering and transportation cost C for the components used in manufacturing a product is C=200(500/x^2 + X/x+300), x or equal to 1 where C is

The ordering and transportation cost C for the components used in manufacturing a product is C=200(500/x^2 + X/x+300), x > or equal to 1 where C is measured in thousands of dollars and x is the order size in hundreds. Find the rate of change of C with respect to x for x = 24. Round your answer to two decimal places