Answer:
A buyer's willingness to pay for a good plus the price of the good means the buyer is indifferent between buying the good and not buying it.
Surplus is the amount by which the quantity supplied of a good exceeds the quantity demanded of the good. 
Producer surplus is the amount a buyer is willing to pay for a good minus the cost of producing the good. 
Consumer surplus is the amount a buyer is willing to pay for a good minus the amount the buyer actually pays for it.
 
        
             
        
        
        
Answer:
B. is equal to the total of frictional and structural unemployment.
Explanation:
The natural rate of unemployment is the sum of frictional and structural unemployment at any given time. Economists estimate that for the United States this rate is around 3.5%.
Unemployment has a natural rate because no matter how good the economy is doing, some people either do not want to work, are in between jobs (frictional unemployemt), or lack the skills necessary to get employed and need to undergo training (structural unemployment).
 
        
             
        
        
        
Question attached 
Answer:
1. $3586
2. More than the amount of inflation 
Explanation:
Consumer price index 1989 = 114
Price 1989 = $1817
Price for 2009=Consumer price index for 2009 / Consumer price jndex 1989 = Price 2009 / Price 1989
= 225 / 114 = Price 2009 / $1817
= Price for 2009 = $3586
cost of tuition increased in 2009 by = $3307 that is 6893 - 3586 more than amount of inflation
 
        
             
        
        
        
Answer: D:to know how much money she has for budgeting
Explanation:
The options include:
A:to organize when to pay to bills
B:to determine the exact date she can retire
C:to ensure she's paying her fair share in taxes
D:to know how much money she has for budgeting.
The best reason for Nina to monitor her bank account statements online or on her cell phone app is to know how much money she has for budgeting.
Monitoring ones account online will enable one to know the amount that one has in the account and this can ensure that one makes adequate plans on how to spend the money through budgeting.