In addition to regular alka-seltzer, there is an alka-seltzer product for each of the following: cold sufferers, people with upset stomachs, people who can't sleep, people with allergies, and people who have severe headaches. the manufacturer of alka-seltzer is using a(n) to reach as many different target markets as possible.

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 cost of going to cancun decreases. b. the marginal cost of going to ft. lauderdale decreases. c. the marginal benefit of going to cancun increases. d. the marginal benefit of going to ft. lauderdale decreases.