Your question is Handling Unreported Cash Income. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How would you handle a situation where you are assisting a landscaper who provides a W-2 and says he also earns cash from clients but has not reported that income for the past three years?