The incomplete tableau is as below: Row No Basic Z X1 X2 RHS Ratio o g 1 -5 1 0 0 -3 HO WN -4 0 3 (3%) Write in the first column of the tableau which variables are basic (i.e., are on the basis) (1%) List the non-basic variables: (2%) Is this an optimal tableau? (Yes or No) Why? (2%) Which non-basic variable enters? _ Why? (2%) Which basic variable leaves? (show your work on the tableau)_Why? (3%) What is the whole current solution? (2%) Predict the value of z at the next iteration: (1%) Where are the reduced cost coefficients? _ 1st row of the tableau 2nd row of the tableau _ 3d row of the tableau (1%) Which row becomes the pivot row (PR)? Row 1 Row 2 Row 3