Retired persons often have much of their wealth placed in savings accounts and other interest-bearing investments, and complain whenever interest rates are low. which of the following, if true, would be a valid complaint? a. there has not been significant growth of nominal interest rates for the last 5 years. b. nominal interest rates decrease, while there is a slight increase in real interest rates. c. expected inflation is falling at the same rate as nominal interest rates. d. expected inflation is falling at a slower rate than nominal interest rates.