Which of the following are characteristics of TIPS and Series-i Savings Bonds. (Select all that apply) A. The principal value is adjusted for changes in the consumer price index (CPI-U). B. The bonds are backed by the full faith and credit of the U.S. Government. C. These bonds pay a real rate of return. D. The nominal future value is guaranteed. E. Your future purchasing power is protected because these are government bonds. Which of the following are characteristics of TIPS and Series-i Savings Bonds. (Select all that apply) A. The principal value is adjusted for changes in the consumer price index (CPI-U). B. The bonds are backed by the full faith and credit of the U.S. Government. C. These bonds pay a real rate of return. D. The nominal future value is guaranteed. E. Your future purchasing power is protected because these are government bonds