Which of the following statements about salary caps is false?

Select one:

A$.$ Salary caps are an important issue in collective bargaining agreements.

B$.$ Salary caps can work to create a greater competitive balance among teams of a league.

C$.$ Team owners have advocated for salary caps and luxury taxes to increase the parity of skill level among teams.

D$.$ Player unions have little voice in determining the level at which salary caps are set.