Zero Travels, a transport company, has just set up two offices within a range of eight kilometers apart from each other for smoother transactions. Lee, a senior technician at Informatics Ltd$.,$ has been hired to set up a network connection between these two branches. Which of the following network models should Lee set up keeping in mind that budget is also a factor to be considered?

a$.$ CAN

b$.$ MAN

c$.$ WAN

d$.$ PAN