For each of the following independent cases, indicate the amount of gross income that should be included on the taxpayer's return.
							Gross Income
1	Helen enters a radio contest and wins $2,000.						$
2	Professor Deborah wins an award of $10,000 for a book on literature she published 4 years ago. The award was presented in recognition of her past literary achievements.						$
3	Bill is a professional baseball player. Because he has hit 50 home runs this season, he was given a new wrist watch worth $2,500.						$
4	John is an employee of Big Corporation. He is awarded $5,000 for a suggestion to improve the plant layout.						$
5	Martha received a desk clock worth $350 from her employer in recognition of her 15 years of loyal service as an employee.						$