how is 6 used to solve 7?

Given Treasury discount factors as following: Discount Maturity Factor 0.5 0.97561 1 0.94260 1.5 0.90851 2 0.87144 what is the price of a semi-annually compounded Treasury STRIPS with 1- year maturity and face value $1,000? (Enter your answer as a decimal rounded to 2 decimal places) 0.46 Use the same data sgiven in the problem 6 and calculate the Treasury spot rate at 1-Year tenor point, . (Enter your answer as a decimal rounded to 4 decimal places)