Anthony works at Liberty Tax, a company that prepares tax returns for the general public. To encourage employees to take advantage of their tax preparation service, Liberty tax offers a 50% discount to employees. This past year, the standard tax service fee was $200. Anthony used his employee discount, and only paid $100 for his tax return service. How much, if anything, must Anthony report as gross income? Question 6 options: a) $0. b) $60 c) $100 d) $160