An argument concludes: 'Our town's new initiative to offer free public Wi-Fi has drastically increased tourism revenue over the past year. Thus, free public Wi-Fi is a direct driver of economic growth for tourist destinations.' Which of the following would be LEAST helpful in strengthening the argument's conclusion?
✓ Correct Answer: Option D
An analysis of the cost (option D) does not strengthen the causal link between free Wi-Fi and increased tourism revenue. The other options provide comparative data, direct tourist feedback, or rule out alternative causes, all of which strengthen the argument's conclusion.