discussed Cited "see, e.g." Goldberger v. Horan (In Re Traffic Safety Co.) See, e.g., National Sun Corp. v. United States, 327 F.2d 254 (5th Cir.), cert. denied, 379 U.S. 819 , 85 S.Ct. 38 , 13 L.Ed.2d 30 (1964) (in which the court held the surety liable for legal fees necessitated by the principal’s default); In re Perelstine, 44 F.2d 62 (W.D.Pa.1930), aff'd sub nom, Royal Indemnity Co. v. Sproul, 46 F.2d 1019 (3d Cir. 1931) (in which the district court held that the expense of an audit, which was necessitated by the former trustee’s failure to perform his official duties, was payable by the surety on the former trustee’s bond).