In this task you are given a short story and a question regarding that story. You must answer the question based on the events of the story. Try to use the same words in the story to answer each question. You should completely answer the question in a short answer. Do not include information that is unnecessary to answer the question.

Bob applied himself and learned accounting. He started doing his own taxes. Some of Bob's neighbors asked him to do their taxes, too. Bob wanted to please people, so he gave it his best shot. The IRS came after Bob for some honest mistakes he'd made.
Why did The IRS come after Bob?
The IRS came after Bob for some honest mistakes he'd made.