Please help me. I don't need explaination

According to the late Gordon Tullock and other public-choice scholars, the typical voter is rationally ignorant about the issues at stake in each election because that voter

1understands that the value to him or her of becoming better informed about these issues is less than the cost that he or she must incur to become 2better informed about these issues

3isn't very smart

4is lazy and irresponsible

5is poorly educated

6Trick question: public-choice economics teaches that the typical voter is always highly informed about the issues at stake in each election.