4 separate question I need help with. A B C and D please

Dole produces canned pineapples. Unseasonably mild weather has resulted in a bumper crop for pineapples. As a result, Dole has decided to sell some of its canned pineapples under a generic label. The market for Dole's branded canned pineapples is characterized by the following inverse demand function: Po = 30 - 2Qb The price for generic canned pineapples is P, = 18. Dole's total cost function for canned pineapples is: TC =8+4Q + Q2, where Q is total production, the sum of the quantity of branded canned pineapples, Q. and generic canned pineapples, Q,- Please show all of your work in answering the following. Find the profit-maximizing price and quantity for Dole's branded canned pineapples if they sell only the branded product and do not sell anything in the generic market. Calculate Dole's maximized profit if they sell only the branded product and do not sell anything in the generic market. Find the profit maximizing price and quantity for branded canned pineapples and the quantity for generic canned pineapples if Dole sells in both markets. (HINT: It is much easier if you express Q, as Q - Q-) Calculate Dole's maximized profit if they sell in both markets