Suppose that John can buy a savings bond for $900 that matures in 3 years and pays John $1,000 with certainty. He is indifferent between this bond and another bond which is riskier but which pays 3% higher interest rate. How much, the riskier bond costs today if it pays $1,000 in 7 years.
- $641
- $784
- $921
- None of the above