Answer the question based on the following information for a public good. $P_a$ and $P_b$ are the prices that individuals A and B are willing to pay for the last unit of a public good, rather than do without it$.$ These people are the only two members of society.

$\backslash$table$[[Q,P_a,P_b$

The principle that under some circumstances majority voting fails to make consistent choices reflecting the community's underlying preference is best demonstrated by the

Multiple Choice

Coase theorem.

paradox of voting.

concept of logrolling$.$

median$-$voter model.