Consider a zero-coupon bond with an expect return of 5%, 15 years to maturity and a par-value of $1,000. (Assume annual compounding) a. Find the bond's price today. (Do not round intermediate calculations. Round your answers to 2 decimal places.) b. What is the value of the bond next year if interest rates increase to 5.5%? (Do not round intermediate calculations. Round your answer to 2 decimal places.)