Indicate which of the following is an all-integer linear program and which is a mixed-integer linear program. Write the LP Relaxation for the problem but do not attempt to solve. (a) Max60x1+55x2s.t.(1)5x1+2.5x2400(2)2.5x1+2x2250(3)x1+x2150x1,x20andx2integer Is this linear program an all-integer linear program or a mixed-integer linear program? This is an all-integer linear program. This is a mixed-integer linear program. Write the LP Relaxation for the problem. Max s.t. (1) (2) (3) Min9x1+10x2s.t.(1)8x1+10x28(2)8x1+12x212x1,x20andinteger Is this linear program an all-integer linear program or a mixed-integer linear program? This is an all-integer linear program. This is a mixed-integer linear program. Write the LP Relaxation for the