C++ if platinum or gold level customers make a late payment, then their interest rate for the month doubles. for example, if a platinum member is late, then his interest rate increases from 1% to 2% for the month. if a silver level customer is late on a payment, their interest rate does not increase. instead, they are assessed a flat $20 penalty for being late. for this assignment, you will write a program that calculates the minimum payment, which is 2% of the principle plus any interest and fees. you will also need to calculate the percentage of the payment that goes to the principle