Hi, this is from Principles of Managerial Finance 14th edition. Chapter 6, warm up problem E6-4. "Recently, the annual inflation rate measureed by the Consumer Price Index was forecast to be 3.3%. How could a T-bill have had a negative real rate of return over the same period? How could it have had a zero real rate of return? What minimum rate of return must the T-Bill have earned to meet your requirement of a 2% real rate of return??