Modify RM2.txt so that rhs[“m1”] will assume the values 20 to 35 tons in steps of 5 tons. All solve commands must be executed from within the command file cmd.txt in the following manner:

The command file cmd.txt is developed using the three different versions to construct the loop:

(a) for{}.

(b) repeat while{};.

(c) repeat until{};.

ampl: model RM2.txt; ampl: commands cmd.txt;