Using the expectations hypothesis theory for the term structure of interest rates, determine the expected return for securities with maturities of two, three, and four years based on the following data. (Input your answers as a percent rounded to 2 decimal places. Do not round intermediate calculations.)

1-year T-bill at beginning of year 1	6%
1-year T-bill at beginning of year 2	7%
1-year T-bill at beginning of year 3	10%
1-year T-bill at beginning of year 4	11%

What is the two year security rate?	Answer 1Choose...7.2%6.5%8.50%6.15%7.67%7.5%
What is the three year security rate?	Answer 2Choose...7.2%6.5%8.50%6.15%7.67%7.5%
What is the four year security rate?	Answer 3Choose...7.2%6.5%8.50%6.15%7.67%7.5%