(1 point) Consider the maximization LP with the following starting Big-M non-tableau: find the optimal tableau (deleting the a3 column as is allowed) What is the value of x1 in

the optimal solution?____________ ? Is the optimal solution unique?___________("Yes" or "No")

Fig: 1

Fig: 2

Fig: 3

Fig: 4

Fig: 5

Fig: 6