Robert is a widower raising two children. In 2013, after the plant where he had worked for 10 years shut down, he was able to obtain part-time work that paid him $13,500.00 a year. He receives the earned income tax credit. If Robert receives a raise, so that he will earn $16,350, the earned income credit will

a)		be reduced by 21 cents per dollar.
b)		be reduced by 25 cents per dollar.
c)		be phased out completely.
d)		not be reduced.