Cost of Producing Guitars Carlota Music Company estimates that the marginal cost of manufacturing its Professional Series guitars is given by the following in dollars/month when the level of production is x guitars/month. C '(x) = 0.008x + 130 The fixed costs incurred by Carlota are $4,500/month. Find the total monthly cost C(x) Incurred by Carlota in manufacturing x guitars/month. C(x) = Need Help? Read It Master It