How much of each of the following is taxable?
a. Cheline received a $50,000 gift bag at the Oscars in 2014.
b. Jon received a gold watch worth $350 for 25 years of service to his accounting firm.
c. Kerry won $1,000,000 in her state lottery.
d. Deborah is a professor who received $50,000 as an award for her scientific research from the university that employs her.