i need help solving this-11

The formulas below are the cost and revenue functions for a company that manufactures and sells small radios. C(x)=168,000+ 31x and R(x) = 45x a. Use the formulas shown to write the company's profit function, P, from producing and selling x radios. b. Find the company's profit if 19,000 radios are produced and sold. a. The company's profit function is P(x) = (Simplify your answer.). b. The company's profit from selling 19,000 radios is $. (Simplify your answer.)