A small company needs to temporarily extend its call center by ten employees. The company decides to rent office space on the opposite side of the building; the two spaces are 400 feet (122 meters) apart. Which of the following is the MOST cost effective solution?

A.
Install a new T1 line for that office.

B.
Use a wireless repeater and a WAP.

C.
Connect the two offices with fiber.

D.
Install gigabit switches and run Ethernet.