Problem 15.6 Calculating Bond Yield for a T-Bill [LO15-4] Sandra Waterman purchased a 52 -week, $4,800 T-bill issued by the U.S. Treasury. The purchase price was $4,781. a. What is the amount of the discount? b. What is the amount Ms. Waterman will recelve when the T-bill matures? c. What is the current yield for the 52 -week T-bill at the time of purchase? Note: Enter your answer as a percent rounded to 2 decimal places