in mid-2012. Ralston Purina had AA-fated. 10-year bonds outstanding wra yield to matunty of 1.73% a What is the highest?pected return these bonds could have? b. At the tirme, samilar maturity Treasures had a yeld of 0.73% Could these bonds attually have an expected return equal to your answer in pan (a)T e. " you beleve Ralston Punna's bonds have 1 1 % eha ce o, default per yea, and that erected loss rate n the evert of default i, 48. what ? your essmate ere tipeeed retum for these bonds