What impact does the manager commission schedule have on the commissions a Manager receives?

What impact does the manager commission schedule have on the commissions a Manager receives?
A . Manager schedules have no impact on the commission the Manager receives. It is only used for reporting purposes.
B . Manager schedules calculate commission for Sales Managers based on the sales they make only. Employee commissions do not affect the Manager.
C . Manager schedules calculate commission for Sales Managers based on the sales made by Sales Reps they supervise as well as the sales they make directly.
D . Manager schedules calculate commission for Sales Managers based on the sales made by all Sales Reps regardless of reporting structure as well as the sales they make directly.

Answer: C