the most effective, and universally applicable technique to track your marketing effectiveness is: \n○ count…

the most effective, and universally applicable technique to track your marketing effectiveness is: \n○ count how many inspections you get \n○ count up coupons that come in \n○ ask an agent to keep track of the number of people they refer to you \n○ ask all your clients how they heard of you \n○ there is no good way to track a marketing campaign
Answer
Brief Explanations:
Counting the number of times a specific action (like using a coupon) occurs due to a marketing campaign is a quantifiable way to measure its effectiveness. It provides a clear - cut metric compared to asking clients (which can be subjective) or having no tracking method.
Answer:
Count up coupons that come in