State the dual problem for the following, but do not solve it. Maximize z= Minimize w = y, +4y2 + 7y3 + 8y4 Subject to: s1 2y, +7y2+8y3 + y4 2-7 Y, +7y2+7y3+Y4 2 13 Y1 20, y2 20, y3 20, y4 20 Subject to: 54 57 58 X4 20, X2 20 then click Check Answer