5 8 005248 Which is a true of investing in Series EE U.S. Savings Bonds? Multiple Choice The interest earned is always exempt from federal income taxes. O Federal income tax on earnings may be deferred until the bonds are redeemed. The interest rate on these bonds is adjusted twice a year for inflation, Series EE Bonds must be purchased for set amounts over $100. They can be redeemed any time without forfeiting interest