Consider the following, third, linear program (LP): MinZ=3x-4y subject to 2x+y≥8 6x+y≥12 2x+3y≥12 x,y≥0 Which of the following are true?
1) The LP has a unique optimal solution.
2) The LP has multiple optimal solutions.
3) The LP has no optimal solution.
4) The LP has an unbounded feasible region.