Answer
The answer and procedures of the exercise are attached in the following 3 images.
Explanation  
Please consider the data provided by the exercise. If you have any question please write me back. All the exercises are solved in 3  sheets with the formulas indications.  
 
        
             
        
        
        
Answer: tax revenue
Explanation:
The Laffer Curve was developed by Arthur Laffer and it depicts the relationship that exists between the tax rates and tax revenue.which the government collects. 
The curve is typically used to show that there can be an increase in the total revenue for an economy when the tax rate is reduced. 
 
        
             
        
        
        
Despite that 4Ps helped to remember the basics components of the <u>marketing mix</u>, they do not reveal all the components in the marketing process.
<h3>What is Marketing 4Ps?</h3>
The Marketing 4Ps is an economic model that enhances the components of a firm "marketing mix", that is, they enhance the way firm take a new product or service to market.
The Marketing 4Ps includes price, product, promotion and place.
However, the marketing mix does not reveal all the components in the marketing process.
Read more about Marketing 4Ps
<em>brainly.com/question/859394</em>
 
        
             
        
        
        
Answer: (C) Networking
Explanation:
  Networking is the process of communicating by sharing the data or information from source to its destination by using various types of computer networks such as protocols, different type of software and the wireless technology. 
 According to the given question, the communicating with the people and share the information regarding the hob is defined as the networking. 
  The main objective of the networking is that it helps in exchange the information or data and give advice about the career and jobs. 
  Therefore, Option (C) is correct. 
 
        
             
        
        
        
Answer:
Decreases and the equilibrium quantity increases 
Explanation:
If more children join Susie in the lemonade business, the supply of lemonade would increase. This is indicated by a rightward shift of the supply curve. Because supply has increased relative to demand , price would fall and equilibrium quantity would increase.
I hope my answer helps you