Problem Challenge. (pag.48 Investigacion Operativa - Grupo Editorial Patria) 

The Tequila factory TEQMEX analyzes the possibility of expanding through construction of a new factory, either in Mexico City or in the city of Guadalajara, or two factories, one in both cities, if necessary. Within its expansion plans also intends to build a hyperstore, also in Mexico City or Guadalajara, or one in both. For its expansion plans, the company must take into account that the capital available for investment is 20 million currency units. Find the best alternative that maximizes the total net present value.

Alternative	Net Present Value	Capital
Build the factory in Mexico City	19 million currency units	15 million currency units
Build the factory in the city of Guadalajara	12million currency units	8 million currency units
Build factories in Mexico City and in the Guadalajara city	28 million currency units	20 million currency units
Build the hyperstore in Mexico City	15 million currency units	10 million currency units
Build the hyperstore in the city of Guadalajara	8 million currency units	5 million currency units
Build hyperstores in Mexico City and in the city of Guadalajara	20 million currency units	15 million currency units