What Is More Common in R&D Staff as Compared to Those

What is more common in R&D staff as compared to those working in other parts of the organization?

A) less interested in the commercial outcomes and more motivated by the work itself
B) less interested in the commercial outcomes and less motivated by the work itself
C) more interested in the commercial outcomes and more motivated by the work itself
D) more interested in the commercial outcomes and less motivated by the work itself