The above linear programming problem has

Question

Maximize Z = 15X₁ + 20X₂

Subject to

    $12X_{1}+4X_{2}\geq 36$

  $12X_{1}-6X_{2}\leq 24$

     $X_{1},X_{2}\geq 0$

The above linear programming problem has

      (a) infeasible solution

      (b) unbounded solution

      (c) alternative optimum solutions

      (d) degenerate solution