(b) Consider the following initial simplex tableau below, for a maximization LP problem. Interpret, deduce and construct the LP model for this set up.

Basic

Z 1 -1 -3 0 0 0 0 0

0 3 2 1 0 0 0 10
0 4 1 0 1 0 0 8
0 5 6 0 0 1 0 20
0 2 7 0 0 0 1 30