If a company's cost function for a product is C(q) = 2260 + 3.5q + 0.004q^2 and the revenue function is R(q) = 12.2q - 0.002q^2, find the production level that maximizes profit.
Find the production level at which the marginal cost function starts to increase. C(q) = 0.0008q^3 - 0.72q^2 + 325.2q + 77,000