Answer: Implement a mass marketing campaign
Step-by-step explanation:
From the question, we are informed that Soon-Yi Park’s chain of travel agencies has identified the lesbian, gay, bisexual, and transgender community as a growing market that spends an increasing percentage of its income on travel.
The least effective component of a marketing plan for Soon-Yi to take advantage of this opportunity is implementing a mass marketing campaign. Rather, Soon-Yi should use a strategy relating to those in LGBT.