rity under the plea agreement to present evidence of relevant conduct, we held that there was no breach. Id. at 800-01 (citing DeWitt). *890 As in Stobaugh, Peck's plea agreement lacks a specific provision that conflicts with the general provision granting the Government express authority to "provide

n to our decision in United States I Stobaugh, 420 F.3d 796 (8th Cir.2005), cert. denied,546 U.S. 1120, 126 S.Ct. 1093, 163 L.Ed.2d 908 (2006). In Stobaugh, the plea agreement specified certain guidelines calculations but also stated that the cal- culations "are only estimates and do not bind the parti