2. Laura owns and operates Aunt Linda's Pecan Pies. She has learned that her prots, P(x), from the sale of x cases of pies, are given by P(x) = 150x x2. a. The company will \"break-even" when the prot is zero. How many cases of pies should Laura sell in order to break-even? (Solve for x when P(x) = 0.) b. How many cases of pies should she sell in order to maximize profit? c. What is the maximum profit