
b. If the heat pump cost $6,000 and has a 3-year warranty, what is Mike’s credit?
$ ____________
LO 6.5 20. In 2010, Jeff spends $2,000 on certified, energy-efficient insulation for his main home
and installs certified, energy-efficient windows costing $3,000.
a. What percentage is used to determine the credit for energy-efficient improvements
to homes? % ____________
b. What is Jeff ’s credit for his 2010 purchases? $ ____________
LO 6.6 21. Otto and Monica are married taxpayers who file a joint tax return. For the current tax
year, they have adjusted gross income of $80,300. They have excess depre ciation on
realty of $67,500, which must be added back to arrive at alternative minimum taxable
income. The amount of their mortgage interest expense for the year was $25,000, and
they made charitable contributions of $7,500. If Otto and Monica’s taxable income for
the current year is $40,500, determine the following amounts:
Problem 21 contains an alternative minimum tax calculation . Plea se see the "As
We Go To Press" page at the beginning of the text and the caveat at Section 6.8
regarding a possible change in the 2010 law.
a. What is the amount of their regular income tax? $ ____________
b. What is the amount of their tentative minimum tax? $ ____________
c. What amount of tax must they pay? $ ____________
LO 6.6 22. Please list two common deductions which are allowed for regular tax purposes but are
not deducti ble for alternative minimum tax (AMT) purposes.
_________________________________________________ ________________________
_________________________________________________ ________________________
LO 6.6 23. Although the alternative minimum tax (AMT) is meant to prevent high-income tax-
payers from using tax shelters to avoid paying tax, why might married taxpayers
with several children living in a state with high state income taxes and property
taxes (for example California or New York) find themselves paying AMT?
_________________________________________________ ________________________
_________________________________________________ ________________________
_________________________________________________ ________________________
LO 6.6 24. Why has the alternative minimum tax (AMT) become a controversial tax in recent years?
_________________________________________________ ________________________
_________________________________________________ ________________________
_________________________________________________ ________________________
LO 6.6 25. What are the two tax rates which are used to calculate alternative minimum tax, ignor-
ing the special treatment of dividends and capital gains?
_________________________________________________ ________________________
LO 6.6 26. Please show the simplified formula for calculating AMT. Do not show tax rates or an
exemption amount.
_________________________________________________ ________________________
_________________________________________________ ________________________
_________________________________________________ ________________________
_________________________________________________ ________________________
_________________________________________________ ________________________
_________________________________________________ ________________________
_________________________________________________ ________________________
_________________________________________________ ________________________
6-42 Chapter 6
Credits and Special Taxes
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