Given the following Simplex Tableau, please provide the Entering Variable, the Exiting Basic Variable, and the row transformations that would be required to update the tableau. Please also indicate what the new set of Basic Decision Variables will be and which will be the Non-Basic Variables. Basic Variable Iteration Z X2 X3 X4 X5 X6 RHS X1 -8 Z -1 -5 4 0 0 0 X4 Eq (0) (1) (2) (3) 0 2 3 3 1 0 0 20 0 X5 0 1 2 0 0 1 0 7 X6 0 2 1 1 0 0 1 15