How to create class named customer with fields; customer name, contact number, product price, number of months and monthly repayment amount.

How to create class named customer with fields; customer name, contact number, product price, number of months and monthly repayment amount. Class contain get and set method expect monthly repayment amount. Set method() should prompt user to enter values for, customer name, contact number, product price, number of months. Class contain method() to calculate the monthly repayment amount(product price divided by number of months). Add sub class named finance period, if number of months to pay for product is greater than 3,customer will pay 25% interest else no interest applies, maximum months to pay for product is 12.override the calculate repayment() by determine if customer will pay interest or not and calculate monthly repayment amount. Create customer finance class contains logic to test two classes, prompt user for data for first object where no interest applies and display results and prompt user for data where interest is applicable and display results.