Answer: b. Is the Chinese food that you gave up when you chose to eat Italian food.
Explanation: Opportunity cost refers to the cost of the next best alternative foregone or sacrificed. When an individual chooses to take a certain action, then his opportunity cost of doing that will be the alternatives that he has foregone. 
IT can be expresses as, 

When the individual chooses Chinese food when he could have choose to eat Italian food, his opportunity cost will be the Chinese food that you gave up. 
For other options there is no information on what was given up. 
 
        
             
        
        
        
The answer is discouraged by government
        
             
        
        
        
Based on the fact that the non-taxable life insurance benefit is $400, the amount that Joseph would have to earn is $555.56.
<h3>How much should Joseph earn?</h3>
This can be found as:
= Non-taxable benefit amount / (1 - tax bracket rate)
Solving gives:
= 400 / (1 - 28%)
= 400 / 0.72
= $555.56
Find out more on non-taxable benefits at brainly.com/question/1581158.
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Answer:
d. $2.18
Explanation:
The answer with detailed working is attached.
 
        
             
        
        
        
<u>Answer:
</u>
The interest rate effect explains why the aggregate demand curve is downward sloping.
<u>Explanation:
</u>
- The interest rate effect proposed by Keynes suggests the reasons for why is the aggregate demand curve downward sloping.
- It states that, when the interest rates are low, people choose to invest owing to the decreased costs of investment. This investment stimulates a drop in the levels of price.
- The dropped prices thus increase the aggregate demand for the commodities of which the price has dropped.