43. In 2011 Q’s A.G.I, was $153,000, and his gross tax liability was $40,000. In 2012 his A.G.I, is $160,000,
and his gross tax liability before prepayments is $45,000. What is the lowest required installment that Q can
make and avoid a penalty? (Ignore the annualized income installment.)
44. Z, a calendar year self-employed individual, had a $1,600 tax liability for 2011. Because Z had so many
itemized deductions and exemptions, this tax liability was due solely to the self- employment tax. Z’s 2011 tax
liability, including $3,000 of self-employment taxes, totaled $4,000. Z’s 2011 A.G.I, was $22,000. In order to
avoid a penalty for her 2011 tax year, Z must have made quarterly estimated tax payments of at least
45. An accuracy-related penalty is imposed for underpayment of taxes due to the taxpayer’s negligence,
according to §6662. T files his 2011 return on April 15, 2012, and two years later the IRS assesses an additional
$6,000 of tax attributable to failure to report income. Not counting the interest on both the additional tax and the
penalty, how much negligence penalty will T have to pay?
46. Taxpayer M defrauded the U.S. Government by understating her tax by $12,000 in 2011. If the IRS is able
to prove civil fraud in this case, M may have to pay a penalty of