URGENT!!! A school typically sells 500 yearbooks in a year for $50 each. The economics class does a project and discovers that they can sell 125 more yearbooks for every $5 decrease in price. The...

URGENT!!! A school typically sells 500 yearbooks in a year for $50 each. The economics class does a project and discovers that they can sell 125 more yearbooks for every $5 decrease in price. The revenue for yesrbook sales is R(x) = (500 + 125x)(50-5x). |A| to maximize profit, what price should the school charge for the yearbooks. |B| what is the possible maximum revenue |C| If the school attains the maximum revenue, how many yearbooks will they sell?