Hello sir,
I am a computer engineer.
I am working with software development and debugging.
I am developing customized software as per client requirement.
I have made few different billing software as per user's requirement like how tax is calculated and shown, how the bill is printed with different size of papers etc.
I want to do this task so do contact me if my profile is suitable for the same to provide more on this.
I will surely help you if I can.
Thank you.