You're the CEO and you have a new plan to boost sales. At the end of every month, you'll give a bonus to salespeople who have especially high sales, and you'll cut the pay of those who have particularly low sales. You want to know which approach has a bigger impact, so you look at how sales change in subsequent months for people who get a bonus or a pay cut. Which approach will seem to work better and why?

A. Pay cuts will seem to work better because of regression to the mean.
B. Pay cuts will seem to work better because of the placebo effect.
C. Bonuses will seem to work better because of the placebo effect.
D. Bonuses will seem to work better because of regression to the mean.