Create a console application Customer Management with Classes and Delegate/Event

1. Customer Class

Private variable	firstName, lastName, email, id (you could use a phone number as id)
Constructor Customer() Customer(firstName, lastName, email, id)	Create a new Customer Objects
Properties FirstName, LastName, Email, ID	Customer information
Method public string GetDisplayText()	Get the customer information (Name, Email, ID), and return a string.

2. CustomerList Class Add the following members to the CustomerList class

Private variable	private List customers; a private variable that can store a list of Customer objects.
Constructor ()	Create a new list of Customer Objects
Property (Read only) Count	An integer that indicates how many Customer Objects are in the list.
Indexer [index]	Provides access to the Customer at the specified position. public Customer this[int index]{...}
Method Add(customer)	Adds the specified customer object to the list
Remove(customer)	Removes the specified customer object from the list
Delegate & Event	public delegate void ChangeHandler(CustomerList customers); public event ChangeHandler ? Changed; The event Changed uses the ChangeHandler delegate and should be raised any time the customer list changes

3. Main Program

Allow a user to choose from the following options, then guide the user through the add or delete functions. Make your application self-explanatory and user-friendly.

Option 1: Add a new customer Option 2: Delete a customer Option 3: Exit the program

Subscribe to the Changed event. Whenever there is a change in the CustomerList (add or delete), display on the console the entire list of the customers with name, email and ID information