The Most Important Number on Your Tax Return

Most taxpayers concentrate on ways to reduce theiryour Alternative Minimum Taxable Income (AMTI), and
"taxable income". However, beginning with the Taxcan reduce or eliminate the various deductions and
Reform Act of 1986, your "Adjusted Gross Income", orcredits affected by AGI, and cause you to become a
AGI, has become the most important number on yourvictim of, or increase, the AMT.
tax return.Because of the way the taxable portion of Social
Many tax credits and deductions are phased-out, orSecurity and Railroad Retirement benefits is calculated,
altogether eliminated, based on your AGI, or in somefor every additional $1.00 of AGI you could be taxed
cases a "Modified" AGI (no gift from this MAGI), andon as much as $1.85. For a taxpayer in the 15%
several items of income are increased and somefederal tax bracket who finds himself in this situation a
deductible losses are reduced as this number grows.$1,000 increase in AGI could increase the tax liability by
The Tax Reform Act of 1986 started the ball rolling by$278.00 - almost 28%.
limiting the allowable rental loss deduction forThere are several moves you can make to reduce
taxpayers with an AGI in excess of $100,000 andyour AGI:
phasing-out the amount of IRA contributions that could* Maximize "pre-tax" contributions to your 401(k),
be deducted based on an AGI threshold. The Budget403(b) or other pension or deferred compensation
Reconciliation Act of 1990, the Taxpayer Relief Act ofplans, including any "catch-up" contributions for
1997 and the many tax Acts passed under George Wparticipants age 50 or older.
all continued the trend of limiting credits and deductions* Maximize the amount of wages set aside in an
based on AGI.employer-sponsored "pre-tax" medical expense or
Items that are affected by your AGI (or MAGI) include:dependent care flexible spending account.
* the taxable portion of interest on US Savings Bonds* Postpone the receipt of a year-end bonus until next
used to pay for education,year.
* losses from rental real estate activities with active* Postpone billing clients until January, accelerate or
participation,prepay business expenses at year-end, and maximize
* the taxable portion of Social Security and Railroadcontributions to a SEP, SIMPLE or Keogh plan if you
Retirement benefits,are self-employed.
* deductible traditional and spousal IRA contributions,* Accelerate or prepay expenses at year-end if you
* the ability to contribute to a ROTH IRA, and toown rental property.
convert a traditional IRA to a ROTH,* Sell investments at a loss to take advantage of the
* student loan interest,maximum $3,000 net capital loss deduction.
* the deduction for tuition and fees,* Maximize deductible contributions to a traditional IRA,
* medical and dental expenses,including catch-up contributions.
* charitable contributions,* Instead of deducting the total fee for tax preparation
* casualty and theft losses,as a "miscellaneous" deduction on Schedule A, allocate
* job expenses and most other "miscellaneous"a portion of the fee, if applicable, to Schedule C and/or
deductions,Schedule E.
* total Itemized Deductions,* Invest in tax-free municipal bonds or tax-deferred US
* the deduction for personal exemptions,Savings Bonds instead of bank CDs (remember that
* the dreaded Alternative Minimum Tax (AMT),tax-exempt interest is included in the calculation of
* the Credit for Child and Dependent Care Expenses,taxable Social Security and Railroad Retirement
* the Credit for the Elderly or Disabled,benefits).
* the HOPE and Lifetime Learning education credits,Let us look at an example where reducing AGI by
* the Retirement Savings Contributions Credit,$1,000 could result in $913 less federal tax - a 91.3%
* the Child Tax Credit,tax savings!
* the Adoption Credit,John and Jane Q. Taxpayer anticipate an AGI of
* the Earned Income Credit,$130,450 for 2005. They will be in the 25% tax
* Coverdell Education Savings Account contributions,bracket. John and Jane have three dependent children,
andtwo under age 17 and one who is a college freshman.
* the safe harbor amount for quarterly estimated taxThey paid $5,000 in college tuition and their
payments.miscellaneous deductions are more than 2% of their
Each of the items listed above has a separate set ofAGI.
AGI thresholds. For some items, such as the educationIf J and J gave an additional $1,000 to charity before
credits and the deductions for student loan interest andyear-end they will save $250 in federal income tax. If,
tuition and fees, the amount for joint filers is twice thatinstead, they can reduce their AGI by $1,000 they will
for unmarried taxpayers; for some it is not. For theput an additional $913 in their pocket.
reduction of Itemized Deductions the threshold is theBy reducing their AGI from $130,450 to $129,450 they
same whether you file as Single, Head of Household,will be able to deduct an additional $2,000 in tuition and
Married Filing Joint or Qualifying Widow(er). In somefees as an "adjustment to income", which will further
cases married taxpayers filing separately are notreduce their AGI. This brings their total AGI reduction to
allowed the deduction or credit at all; in others the$3,000. As a result they will be able to deduct an
threshold for separate filers is half that for joint filers.additional $60 in miscellaneous deductions on Schedule
While qualifying dividends, capital gain distributions andA. The taxable income on their 2005 Form 1040 is
long-term capital gains are taxed separately at a lowerreduced by a total of $3,060, which will translate to
rate, both for the regular tax and the AMT, these$763 less income tax.
items of income are included in your AGI, as well as