In a year in which corporate bonds offered an average return of 9%, treasury bonds offered an average return of 6%, common stocks offered an average return of 17% and Treasury bills offered 296. The market risk premium was: 96. In a year in which corporate bonds offered an average return of 99%, treasury bonds offered an average return of 6%, common stocks offered an average return of 17% and Treasury bills offered 2%. The market risk premium was: 96.