Which of the Following Ideas Is the Most Plausible

Multiple Choice

Which of the following ideas is the most plausible?

A) Tax revenue is more likely to increase when a low tax rate is increased than when a high tax rate is increased.
B) Tax revenue is less likely to increase when a low tax rate is increased than when a high tax rate is increased.
C) Tax revenue is likely to increase by the same amount when a low tax rate is increased and when a high tax rate is increased.
D) Decreasing a tax rate can never increase tax revenue.