needing C# code to execute this exercise

SpecialCookierdeP ouje 5. a. Create an application named AutomobileDemo that prompts a user for data eight Automobile objects. The Automobi Te class includes auto-implemente o properties for ID number, make, year, and price. Override the ToString) met to return all the details for an Automobile. During data entry, reprompt the any ID number is a duplicate. Sort the objects in ID number order, and their data as well as a total of all their prices hod display all ng the Automobi le class as a base, derive a FinancedAutomobi le class that contains all the data of an Automobile, plus fields to hold the amount fina and interest rate. Override the parent class ToStringO method to include the child class's additional data. Create a program named AutomobileDemoz that contains an array of four FinancedAutomobile objects. nanced Prompt the user r all the necessary data, and do not allow duplicate ID numbers and do not allow the amount financed to be greater than the price of the automobile. Sort all the records in ID number order and display them with a total price for all FinancedAutomobi les and a total amount financed. c. Write an application named AutomobileDemo3 that uses an extension method for the FinancedAutomobile class. The method computes and returns a FinancedAutomobil es monthly payment due (1 /24 of the amount financed). The application should allow the user to enter data for four objects and then display all the data for each