Can you please explain how they got those answers please?

Question 1 Suppose a firm has the following demand and cost functions Q(P) = 9006 - 158P and C(Q) = 39Q+3798 PLEASE SHOW WORK FOR PARTIAL CREDIT A. Calculate the profit function B. Find the profit maximizing quantity C. Find the profit maximizing price D. Find profits at the profit maximizing price and quantity Selected Answer: [None Given] Correct Answer: P(Q) =57 -0.006329Q A . m(Q) =18Q-0.006329Q2-3798 Q* = 1422 B. p* = $48 C. 1* = 9,000 D