Which of the following statements are false? 1. The cash flows on an annuity due occur at the beginning of each period. 2. Nominal interest rates are the interest rates we observe in the market. 3. The rule of 72 can be used to tell approximately how long it will take an annuity's value to double. 4. If you can earn 8% on an investment it will double in approximately 9 years.

Which of the following statements are false? 1. The cash flows on an annuity due occur at the beginning of each period. 2. Nominal interest rates are the interest rates we observe in the market. 3. The rule of 72 can be used to tell approximately how long it will take an annuity's value to double. 4. If you can earn \8 on an investment it will double in approximately 9 years