answer both please

A company determines that its demand function is given by p(q)=0.6q+2045 and that its cost function is given by C(q)=56.37q+2552. Find the company's marginal revenue if it produces 2133 items. The marginal revenue is dollars per item. If necessary, round to two decimal places. Do not include units. Given Cost and Price (demand) functions C(q)=100q+40000 and p(q)=2.5q+950, what is the marginal revenue when profits are $13000 ? The marginal revenue is $ If there are two correct answers, separate them with a comma. If necessary, round to two decimal places