The correct option is D.
Economic regulation refers to imposition of rules by a government, backed by the use of penalties that are specifically targeted at modifying the economic behavior of individuals or industries in the private sector. Regulation is often used to narrow down choices in the targeted area.
        
             
        
        
        
intrinsic value, because it is used to show the moral goodness in a person.
 
        
                    
             
        
        
        
Answer:
a complex approach that continually matches demand and supply to customize the price for a service.
Explanation:
Price can be defined as the amount of money that is required to be paid by a buyer (customer) to a seller (producer) in order to acquire goods and services. 
In sales and marketing, pricing of products is considered to be an essential element of a business firm's marketing mix because place, promotion and product largely depends on it. 
One of the importance associated with the pricing of products is that, it improves the image of a business firm.
Yield management pricing is a complex approach that continually matches demand and supply to customize the price for a service. It is commonly used by businesses that are typically involved in tourism, hospitality, and airline services.