Tax Reform: Before and After Full Size Version Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Contents Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Donating Art: Taxation Abstraction The tax rules that govern donating art are complex and confusing. Take a closer look. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.