The following information is for a public good.Pa and Pb 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 2nd unit of this public good is: 
Definitions:
Culturally Pluralistic
A societal condition in which various cultural groups celebrate and maintain their unique traditions and values while coexisting peacefully.
Racial Justice
The systematic fair treatment of people of all races that results in equitable opportunities and outcomes for all. It is the proactive reinforcement of policies, practices, attitudes, and actions that produce equitable power, access, opportunities, treatment, impacts, and outcomes for all.
Curriculum
A structured set of educational courses, materials, and content delivered in schools, colleges, or universities, encompassing what is taught and how it is taught.
Color-Blind Framework
An ideological perspective that promotes the treatment of all individuals equally, without regard to race, ethnicity, or culture.
Q4: Logrolling can either increase or diminish economic
Q6: The optimal quantity of a public good
Q6: The smallest component of aggregate spending in
Q23: A headline reads "Storms destroy half of
Q39: Government must provide economically desirable public goods
Q45: In the market system,the statement of "Wages,interest,rent,and
Q76: Which of the following would not shift
Q88: Which of the following impacts would economists
Q91: Refer to the diagram,which shows demand and
Q144: The law of demand is illustrated by