No code needed. I just need a flowchart diagram explaining the C++ program

Write a C++ program that calculates the balance of a savings account at the end of a month period. The program should read from a file (bank.txt, downloadable from blackboard; be sure that there are no blank lines at the end of the text file) the account number, the current balance and the account type. Depending on the account type, a different annual interest rate will be applied (according to the table shown below). The monthly interest rate is the annual interest rate divided by 12. The program should write a report to a file (report.txt) containing the following information: