1.A store sells two brands of color print film. The store pays $2 for each roll of brand A film and $3 for each roll of brand B film. A consulting firm has estimated the following daily demand equations for these two competitive products:

where is the selling price for brand A and is the selling price for brand B. Use calculus to determine how the store should price each brand of film to maximize daily profits. What is the maximum daily profit from these two products? (Show your work.)