Opponents of the agency commission system argue this system is not effective because:
A. a commission keeps the emphasis on creative skills not the bottom-line.
B. a commission is simple to administer.
C. the agency time spent on an account may not be proportional to the compensation received for it.
D. a commission encourages agencies to limit their client's advertising expenditures.
E. a commission does not tie agency compensation to media costs.
Answer: C