Minimise Z = -50x + 20y
subject to the constraints: 2x - y ≥ -5, 3x + y ≥ 3, 2x - 3y ≤ 12, x ≥ 0, y ≥ 0.
Then which of the following is/are true:
(A) Feasible region is unbounded.
(B) Z has no minimum value.
(C) The minimum value of Z is 100.
(D) The minimum value of Z is -300.
Choose the correct answer from the options given below:
1
(A) and (D) only
2
(C) and (D) only
3
(A) and (C) only
4
(A), (C) and (D) only