Which of the following are characteristics of Treasury bills (T-bills)? Check all that apply. T-bills are sold at a discount. T-bills have maturities of 28,91 , and 182 days. The government pays a market-determined interest rate on T-bills. Institutional investors can purchase T-bills. Suppose Mr. Ferrari buys a 90-day T-bill with a face value of $1,000 at a price of $993. The discount rate yield (DRY) would be whereas the investment return yield (IRY) would be