Maximize z = (a-g) x1 + (b-f) x Subjected to : (a+g+d) X + (b + f -d) x is less than or equal to e+ f + g (b + f + d) x + (c + e - d) x less than or equal to e- f + g (c+e+d) + (a+g-d) x e + f - 2470 340 1. Solve by graphical method. 2. Golve by simplex method. by revised simplex method. 3. Golve 4. Find the solution of its dual LPP.