Solve the problem.A company has found that the marginal cost of producing the xth unit of a product is given by   Find the total cost, C(x), given that 

A. C(x) = -  x (168 - x)3/2 -  (168 - x)5/2 + 117,553.29
B. C(x) = -  x (168 - x)3/2 +  (168 - x)5/2 + 117,553.29
C. C(x) = -  x (168 - x)3/2 -  (168 - x)5/2 + 68,776.65
D. C(x) =  x (168 - x)3/2 +  (168 - x)5/2 + 117,553.29

Answer: A

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