Refer to la R 3 Suppose the spot interest rates change to the tollowing downwar soong tem structure: ri-4.6% a-44%,-4.2%, and '4-4 0%. a. Calculate the discount factors for each ot the bonds listed in the table. (Do not round intermediate calculations. Round your answers to 4 decimal places.) b. Calculate bond prices and yields to maturity far each at the bonds listed In the table (Do not round intermediate calculations. Round your "Bond Price" to 2 declmal places. Enter your "YTM" as a percent rounded to 3 decimal places. Bond Price Bond A Band B Bond C