Minimum material (a) A box with an open top and a square base is to be constructed to contain 4000 cubic inches. Find the dimensions that will require the minimum amount of material to construct the box. A baseball team plays in a stadium that holds 54000 spectators. With the ticket price at $8 the average attendance has been 23000. When the price dropped to $6, the average attendance rose to 27000. Assume that attendance is linearly related to ticket price. What ticket price would maximize revenue? $