in C++

During the tax season, every Friday, the J&J accounting firm provides assistance to people who prepare their own tax returns. Their charges are as follows:

If a person has low income (<= 25,000) and the consulting time is less than or equal to 30 minutes, there are no charges; otherwise, the service charges are 40% of the regular hourly rate for the time over 30 minutes.

For others, if the consulting time is less than or equal to 20 minutes, there are no service charges; otherwise, service charges are 70% of the regular hourly rate for the time over 20 minutes.

Create a modular program to prepare a customer's bill.

Please have:

Make sure the structure chart is simple and easy to understand

structure chart as a screen shot or picture

source code for with

The name of program as a comment at the top of the file

IPO chart incorporated as comments after the name of the file

IPO charts for your functions as comments before the prototypes of your functions

A screen shot or picture of the results after running your program with your test data