The maximum value of the objective function Z = 3x + 5y, subject to the constraints: x + y ≥ 6; 3x + y ≥ 8; x ≤ 6; x, y ≥ 0 occurs at:

(1, 5) (2, 4) (0, 8) Not a finite point

Not a finite point

The correct answer is Option (4) → Not a finite point