Answer the Question Based on the Following Information for a Public

Multiple Choice

Answer the question based on the following information for a public good. Pₐ and Pᵦ 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. The collective willingness of this society to pay for the second unit of this public good is

A) $6.
B) $2.
C) $4.
D) $8.
E) $1.