Fundamentals of Taxation 2011 4th Edition by Ana Cruz, Debra Prendergast, Dan Schisler, Michael Deschamps

Exercise 21

A taxpayer with 2010 AGI of $160,000 has no income tax withholding and is required to pay estimated taxes. The taxpayer can avoid an underpayment penalty by paying a. At least 90% of the 2010 tax liability ratably over four quarterly payments.
B) At least 100% of the 2009 tax liability ratably over four quarterly payments.
C) At least 90% of the 2009 tax liability ratably over four quarterly payments.
D) 100% of the 2010 tax liability ratably over four quarterly payments.