You wish to buy a corporate debt security that pays $80 at the end of each year for three years. At the end of year 3, you will be paid $1,000. Suppose your required interest rates in the first, second and third year are 6%, 6.8% and 7.6% respectively, how much would you pay for the debt security?

Group of answer choices

1032.75

891.23

963.45

991.37

1012.33