After Much Consideration,you Have Chosen Cancun Over Ft

After much consideration,you have chosen Cancun over Ft.Lauderdale as your Spring Break destination this year.However,Spring Break is still months away,and you may reverse this decision.Which of the following events would prompt you to reverse this decision?

A) The marginal benefit of going to Cancun increases.
B) The marginal cost of going to Cancun decreases.
C) The marginal benefit of going to Ft.Lauderdale decreases.
D) The marginal cost of going to Ft.Lauderdale decreases.