Answer the question based on the following information for a public good.P_aandP_bare 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.

QP_aP_b1$ 3$ 5224313402501

The collective willingness of this society to pay for the second unit of this public good is

Multiple Choice

• $8.
• $4.
• $1.
• $6.
• $2.