Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment. 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 Question Thank you! Oops! Related Content Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.