base.) (a) What is the linear programming model for this problem that maximizes profit (in dollars)? Max s.t. Material 152F+21S38 Material 2 Material 3 Fps0 (b) Find the optimal solution using the graphical solution procedure. How many tons of each product should be produced? (F,s)=(x) What is the projected total profit contribution (in dellars)? $x (c) Is there any unused material? If so, how much (in tons)? (IT there is no unused material, enter 0. ) Material 1 x tons Material 2 x tons Material 3 x tons