Question 1. The prices of 13-week, 26-week and 52-week T-bills are $99.70, $99.40 and $99.00 respectively. What are the respective spot rates? A week later you can buy similar T-bills at $99.68, $99.39 and $98.98 respectively. What are the new spot rates? How did the yield curve change and what was the percentage change in each interest rate