4. Use the grid provided to solve the following linear program with the graphical method. In setting up the graph, let ^2 be the dependent variable and make each square equal to one unit. Maximize Profits=3 x1+6X2 Subject to -x +3x,26 2x, +x,210 x +x, $16 X1,*2 20 a. Graph the constraints and identify the feasible region