Amy’s prior year adjusted gross income was $70,000. In order to avoid penalty, what is the required annual payment Amy must make in the current year?

a. 110% of the current year tax liability.

b. Any amount that reduces the amount Amy owes for the current year to no less than $5,000.

c. The lesser of 90 percent of the current year tax liability or 100 percent of the prior year tax liability.

d. An amount that permits her to pay no more than $5,000 with her tax return when she files it on April 15th of the next year