A bakery determines the ANNUAL profit in dollars from selling donuts using p(x)= 52x 0.05x2, where x is the number of donuts sold. What is the

can you tell me how to solve this?

A bakery determines the ANNUAL profit in dollars from selling donuts using p(x)= 52x— 0.05x"2,where x is the number of donuts sold. What is the ANNUAL profit if the bakery sells 400 donuts? $20,780$12,800$28,800$20,760