solve all and make sure its correct

In a maximization problem, let x; and X2 be the number of units produced of Product-1 and Product-2, respectively. Following is the associated starting simplex tableau of the LP model Basic x1 x2 S3 S2 0 Z SI 0 1 Solution 0 -6 0 S4 0 0 -3 6 Z-row 4 0 0 24 Sl-row 1 2 0 1 0 0 6 S2-row si S2 S3 S4 1 0 1 0 1 S3-row -1 0 0 0 1 O 0 1 2 2 S4-row Answer the below questions a-) to e-) according to the given LP model and its associated starting simplex tableau. a.) [10 points] Which variable is a non-basic variable? b-) (10 points) Which variable is a basic variable? C-) [10 points) Which variable is the entering variable? d-) (10 points] Which variable is the leaving variable? e-) (10 points] What is the pivot element value in the first iteration