Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. 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 Does Your Portfolio Fit Your Retirement Lifestyle? Lifestyle considerations in creating your retirement portfolio. Grantor Retained Annuity Trusts (GRATs) Explaining Grantor Retained Annuity Trusts (GRATs) and their benefit to estate strategy. A Bucket Plan to Go with Your Bucket List Longer, healthier living can put greater stress on retirement assets; the bucket approach may be one answer.