Systems Inc. went through a downsizing process. The company decentralized its distribution of power to its employees while creating teams. Each of the departments was left with a range of $715$ people who worked collectively to create new ideas. In the end, management found the new approach caused more headaches than benefits. The teams were not productive. What was the likely cause of the lack of productivity?

a$.$ Systems Inc. had too many people in their teams.

b$.$ Systems Inc. should have kept power centralized.

c$.$ Systems Inc. had too many teams.

d$.$ Systems Inc. had too many groups.