Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.