Refer to the following objective function with unknown contraints. Maximize Z = 2x1 + 3x2, subject to? Z X1 X2 X3 X4 RHS 1 -0.5 0 1.5 0 45 0 0.5 1 0.5 0 15 0 0.5 0 -0.5 1 5 5 In some iteration, the resulted tableau is as follows: Answer the question below: a) (3 poin) What are the values of non basic and basic variables for this table! b) (3 poin) What coordinate (node) correspondence to this table? c) (3 poin) What is the entering variable to the next table! d) (3 poin) What is the leaving variable from this table! e) (10 poin) Make one more iteration table! f) (3 poin) Has this new table reached an optimal solution? Please, explain