Which is true of investing in Series EE U.S. Savings Bonds?:

1. The interest earned is always exempt from federal income taxes.
2. Federal income tax on earningsbe deferred until the bonds are redeemed.
3. The interest rate on these bonds is adjusted twice a year for inflation.
4. Series EE Bonds must be purchased for set amounts over $100.
5. They can be redeemed any time without forfeiting interest.