Although hank is retired, he is an excellent handyman and often works part-time on small projects for neighbors and friends. last week his neighbor, mike, offered to pay hank $500 for minor repairs to his house. hank completed the repairs in december of this year. hank uses the cash method of accounting and is a calendar-year taxpayer. mike gave hank tickets in december to the big game in january. the tickets have a face value of $50 but hank could sell them for $460. hank went to the game with his son. what is hank's gross income for this year?