A store sells 2 brands of chairs. The store pays $60 for type A, and $70 for type B p is the selling price of type A q is the selling price of type B x and y are the average numbers sold weekly The weekly demand equations for these chairs: x= 1148 - 4p + y=280+ p-54 What price should be set for each type of chair to maximize weekly profits? What is the maximum weekly profit