This is a linear programming problem, because it involves multiple objectives, so it can be regarded as a goal programming.

As for the solution, you can use the corresponding simple method, which is described in the general operational research or modeling course.

I can't say clearly for a while, so I suggest you refer to Baidu Library.

/view/70b 1 1 d32 b 90 D6 c 85 EC 3 AC 6 a 1 . html