3. (7 Points) a) Which have higher yields, TIPS or regular Treasury bonds? b) which have higher yields, mortgage bonds or unsecured bonds? Which have higher yields, subordinated debentures or bonds backed by a collateral? Which have higher yields, convertible bonds or bonds that do not have a convertibility feature? e) Which have higher yields, callable bonds or noncallable bonds? Which have higher yields, bonds with a sinking fund provision, or bonds without a sinking fund provision? g) Which has a higher yield, a "fallen angel" or bond with a BBB rating