3. Which of the following about real and nominal value is true?

3. Which of the following about real and nominal value is true?

1. a) The Fisher equation gives the approximate relation between real return and nominal return.
2. b) Long-term investors should hold assets of high real value certainty, ceteris paribus.
3. c) In principle, one should use nominal value to compare asset value over time.
4. d) Nominal value can be defined using the base year's money.