Find the derivative of revenue with respect to time. Write the derivative of x with respe not round your coefficients. Leave them as exact decimals or fractions. dR dt Current weekly production is 3,200 widgets. The company is increasing production at a r per week. What is the rate of increase of cost? Round your answer to the nearest dollar. What is the rate of increase of revenue? Round your answer to the nearest dollar. What is the rate of increase of profit? Round your answer to the nearest dollar. Add Work > Next QuestionSuppose that for a company manufacturing widgets, the cost and price demand equations are given by: C(x) = 74, 000 + 70x x = f(p) = 5, 500 - 25p 0