Optimize Problem(Assigning N stores to areas)

Job ID: 34246712

Budget: $30 – $250 USD

It is an operation research problem. There are 137 areas that needed to be supplied by N number of stores.
So, The stores needed to be assigned to each area but there are some restrictions.
The capacity of stores does not go beyond 4
The distance between the location of the store and the center of the area must not be grater than 0.03676.

I need program code and output that assign Stores to areas.