Answer:
The correct answer is the option B: False. 
Explanation:
To begin with, the price discrimination strategy refers to a technique used by the companies in order to charge different prices to the different consumers regarding the fact of how much would they be able to pay for the product. When it comes to monopolies, a perfect price discrimination strategy would try as best as possible to capture the majority of the zone known as the <em>"consumer surplus"</em>. And that is why that a company with a perfect price discrimination would face a small deadweight loss area due to the fact that with that strategy of price the monopolist will absorve as much as possible of that area becuase the triangle is half consumer surplus and half producer surplus. 
 
        
             
        
        
        
The opportunity cost of attending class is the $15 that could have been made by watching a neighbor's child.
Opportunity cost refers to the benefits that one gives up in order to enjoy another benefit, that is, the benefit that is sacrificed.
In this question, two benefits are given up, but the real opportunity cost is the one that have the highest value, which is the $15.
        
             
        
        
        
Answer: demand decreases and supply stays the same
Explanation:
The equilibrium price refers to the price whereby the quantity of goods that's demanded and the quantity of goods that's supplied is equal. 
On the other hand, the equilibrium quantity is gotten when the quantity of goods demanded and supplied are equal. This is gotten when the demand curve and the supply curve intersects. 
It should be noted that there will be a lower equilibrium price and quantity if
In a situation whereby the demand increases and the supply remains the same, the equilibrium quantity and the equilibrium price will increase and vice versa.
 
        
             
        
        
        
Answer:
<h2>
Secondary data</h2>
Explanation:
The data collected form the first hand sources by using interviews and surveys is called primary data. The secondary data is gathered from surveys and studies which have already been conducted by other people. Mostly researchers use secondary data in their project as the researcher doesn't have to spend time, energy and money in collecting them. They can devote their time to research instead of worrying about gathering data.