I NEED THIS IN 3 FILES WITH THE HEADER.H, MAIN.CPP... IN C++

Mortgage Payment Design a class that will determine the monthly payment on a home mortgage. The monthly payment with interest compounded monthly can be calculated as follows: Payment Loan Rate 12 Term Term 1 where Term a1 Rate 12 b 12Years Payment = the monthly payment Loan = the dollar amount of the loan Rate = the annual interest rate Years = the number of years of the loan The class should have member functions for setting the loan amount, interest rate, and number of years of the loan. It should also have member functions for returning the monthly payment amount and the total amount paid to the bank at the end of the loan period. Implement the class in a complete program. Input Validation: Do not accept negative numbers for any of the loan values.