You own a $1,000-par zero-coupon bond that has five years of remaining maturity. You plan on selling the bond in one year and believe that the interest rate next year will have the following probability distribution:

probability	interest rate next year (%)
0.1	6.6
0.2	6.75
0.4	7
0.2	7.2
0.1	7.45

a. What is your expected price when you sell the bond?

b. What is the standard deviation of the bond price?