4. X (b) Pivot the tableau about 2, 9, 3, and 216 4OOE ON 1 (row 2, column 2) and compute the solution to the resulting 330 tableau. Which solutions are -10 0 feasible? Which variables are now in group I, and which are in group II? (c) Which of the solutions is feasible and also increases the value of M the most?(b) (i) Pivot the simplex tableau about 2 and compute the solution corresponding to the new tableau. XE 108 y= 0 0 , VE 6 , M= 1080 Which variables are now in group I, and which are in group II? O A. The group I variables are x, V, M, and the group II variables are y and u. B. The group I variables are y and u, and the group Il variables are x, v, M. O C. The group I variables are x and y, and the group Il variables are u, v. M. (b) (ii) Pivot the simplex tableau about 9 and compute the solution corresponding to the new tableau. X= y = , U= M = Which variables are now in group I, and which are in group II? O A. The group I variables are y, v, M, and the group II variables are x and u. O B. The group I variables are x and u, and the group II variables are y, v, M. O C. The group I variables are x and y, and the group Il variables are u, v, M. (b) (iii) Pivot the simplex tableau about 3 and compute the solution corresponding to the new tableau. X = U= M= Which variables are now in group I, and which are in group II? O A. The group I variables are x and y, and the group II variables are u, v, M. O B. The group I variables are x, u, M, and the group II variables are y and v. O C. The group I variables are y and v, and the group Il variables are x, u, M.(b) (iv) Pivot the simplex tableau about the element 1 (row 2, column 2) and compute the solution corresponding to the new tableau. X = y= U= V= M = Which variables are now in group I, and which are in group II? O A. The group I variables are x and v, and the group Il variables are y, u, M. O B. The group I variables are x and y, and the group Il variables are u, v, M. O C. The group I variables are y, u, M, and the group II variables are x and v. (b) (v) Which solutions are feasible (that is, have all values not less than 0)? O A. The solution corresponding to the pivot element 1. O B. The solutions corresponding to the pivot elements 2 and 9. O C. The solution corresponding to the pivot element 9. (c) Which of the solutions is feasible and also increases the value of M the most? O A. The solution corresponding to the pivot element 1. O B. The solution corresponding to the pivot element 2. O C. The solution corresponding to the pivot element 9. O D. The solution corresponding to the pivot element 3