The most effective way to increase government revenue would be to raise the corporate income tax, since opinion polls show widespread support for this approach. Which of the following fallacies is committed in the above statement?

The flaw is resting the claim on popular support, an appeal to the majority.

The conclusion is that raising corporate income tax is the most effective revenue measure.

The only reason offered is that opinion polls show widespread support.

How many people favour a policy is no measure of its truth or effectiveness.

Grounding a claim in the numbers who agree is the appeal to the people (majority).