IMO : B
Question :Assumption -companies will increase profits by hiring fewer full-time employees
A. Internet companies that use open-source software are better suited to function efficiently with only a small core staff than traditional companies.
B. The amount of administrative work to be performed in internet companies is small enough that it can reasonably be completed by fewer full-time employees.
Establishes the feasibility that companies can function with fewer full time employees
C. Full-time employees and volunteers will have different levels of access to most projects undertaken by the company.
D. Internet companies will hire more full-time employees as they become more profitable due to volunteer contributions.
E. Companies that rely on both full-time employees and volunteer labor increase their overall revenue per working hour.
Close one-Since it refers to both full-time employees and volunteer labor and does not specifically point out the advantage of using fewer employees
Interesting to find Official Answer