//******************************************************************************// Program name: Lab4a//// Description: //// What's on your mind about this lab? //// Author: //// Date: //// IDE Used: //// Template Date: 04/06/2021//******************************************************************************#include #include #include using namespace std;// Write the code for class RealProperty here . . .// Write the code for class Apartment here . . .// Function prototypes// Declare a function named displayPropertyInfo that receives one reference to const parameter// representing a real property. The function has no return value.// Declare a function named displayApartmentInfo that receives one reference to const parameter// representing an apartment. The function has no return value.int main() { // Write code here . . . return 0;}//******************************************************************************//* Print the real property information.//*//* Parameter//* rp - a reference to const referencing to caller's RealProperty//* variable.//*//* Return//* void//******************************************************************************void displayPropertyInfo(const RealProperty &rp) { // Write your code here . . . }//******************************************************************************//* Print the apartment information.//*//* Parameter//* rp - a reference to const referencing to caller's Apartment//* variable.//*//* Return//* void//******************************************************************************void displayApartmentInfo(const Apartment &apt) { // Write your code here . . .} Add mutator member functions to set the fields. One member function for each field. Each member function shouldbegin with the word 'set' followed by the field name with the first letter changed to uppercase. Each member functionshould have a comment above the declaration describing its purpose. Implement the mutator member function inline.Add accessor member functions to return the fields. One member function for each field. Each member function shouldbegin with the word 'get' followed by the field name with the first letter changed to uppercase and the member functionshould be a const member function. Each member function should have a comment above the declaration describing itspurpose. Implement the accessor member functions inline.Write the definition for all member functions not implemented inline.Declare a function named displayPropertylnfo that receives one reference to const parameter representing a realproperty. The function has no return value.Declare a function named displayApartmentlnfo that receives one reference to const parameter representing anapartment. The function has no return value.Write the main function as follows:Define an Apartment variable named lakeside.Get the info from user by reading a line of user input that contains info in the following format:Cupertino, 1200, 200, 2550The line above includes the street address, square footage, taxes and monthly rent in that order.Note: don't prompt the user in your code.Store the info in the variable lakeside.Call displayPropertylnfo and pass the Apartment variable lakeside.Call displayApartmentlnfo and pass the same Apartment variable lakeside.End of main function.Write the definition of displayPropertylnfo below the main function. Don't forget the block comment.Write the definition of displayApartmentlnfo below the displayPropertylnfo function. Don't forget the block comment.Test The ProgramUse the following line as your program input:Cupertino, 1200, 200, 2550The output should look exactly as follows:Property is located at: CupertinoSquare footage: 1200Taxes: 200Apartment is located at: CupertinoSquare footage: 1200Taxes: 200Monthly rent: 2550.00 streetAddress (string)squareFootage (int)taxes (double)Each field should have a comment documenting what it is for.Add public member functions as follows:The default constructor. The default constructor initializes the fields so that the street address is an empty string and allnumeric fields are O or 0.0. Implement the default constructor inline using the member initialization list syntax.The constructor that accepts these data: street address (string), square footage (int), and taxes (double). Implement thisconstructor inline using the member initialization list syntax and call the mutator function for square footage in thebody of the constructor.Add mutator member functions to set the fields. One member function for each field. Each member function shouldbegin with the word 'set' followed by the field name with the first letter changed to uppercase. Each member functionshould have a comment above the declaration describing its purpose. Implement the mutator member functions outsideof the class.Add accessor member functions to return the fields. One member function for each field. Each member function shouldbegin with the word 'get followed by the field name with the first letter changed to uppercase and the function shouldbe marked with the const keyword. Each member function should have a comment above the declaration describing itspurpose. Implement the accessor member functions inline.Write the definition for all member functions not defined inline. Validate the square footage to make sure it is a positivenumber. If the square footage is not positive, Issue the message,"Square footage must be a positive number."and terminate the running of the program.Write A Derived ClassDeclare a class named Apartment that could be used to describe a kind of real property. It is a class derived fromRealProperty publicly. It should contain one private field:monthlyRent (double)Use the data type in parentheses for the field.Each field should have a comment documenting what it is for.Add public member functions as follows:Add the default constructor. The default constructor initializes the fields through a member initialization list so that thestreet address is an empty string and all numeric fields are O or 0.0. Note you need to use a special syntax to initializethe private fields of the base class. Implement this constructor inline.Add a constructor that accepts: rent (double), street address (string), square footage (int), and taxes (double). Thisconstructor sets all the fields based on four parameters: street address, square footage, taxes, and monthly rent througha member initialization list. Note you need to use a special syntax to initialize the private fields of the base class.

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/ Program name: Lab4a//// Description: <Write the program description here.>//// What's on…