I need to write a report about the Impact of IT on the Accounting Firm Business. However, i need a comprehensive response by covering the following:

What is Information System? What is its objective and its impact on the accounting firm? What the IT involves? What the benefits that the accounting firm can benefit from?

These are some questions that i made up so that to help you in order to give me a thorough answer as it is needed to cover around 800words minimum.

I really appreciate your help and i will vote you accordingly!!! Thanks in advance.