1. A 90 day US Treasury bill with a face value of $100 has a discount of 1.75%.
   1. What is its simple annualized yield?
   2. What is its annual compound yield (EAR)?
2. A 60-day US Treasury bill with a face value of $100 has an annual compound yield of 1.65%.
   1. What is its current % discount (annualized)?
   2. 30 days later, the bill still offers the same effective annual compounded yield, what was the return to the bill over the month?