ico Question 3 of 15. Which of the following is a fact that would lend itself to a determination that an activity was a hobby? Underpayment of employment taxes due on farm laborers. The taxpayer has many years of experience in the area, and operates in a businesslike manner. The taxpayer truly enjoys the activity. All of these would lend themselves to a determination that an activity was a hobby. Mark for follow up Save / Return Later Summary Next >>