suppose a company has revenue function R(x)=10x and the cost function C(x)=2x+100, where x is the number of units produced. Find the profit or loss if the company produces 10 units

The total cost to manufacture and sell q exactotherms is given by the cost equation C(q) = 2000+5q. The revenue equation is R(q)= 40q - 0.05q^2 dollars for the sale of q exactotherms. Assume the profit is P(q)= R(q) - C (q).   Find the number of items q to sell so that the profit function P(q) has its maximum.    Find on which interval(s) the profit function is increasing and decreasing.

A small business's cost to produce I units of a new product is given by C(x) = -0.001x² + 4x+506 dollars. The business earns a revenue of R(x) 4x dollars from selling I units. Determine the marginal profit of the %D business at a production level of 306 units. Enter your answer to the nearest whole number.