After application of all relevant factors, the Pre-Sentence Investigation Report ("PSIR") fixes the defendant's Guidelines calculation at Level 43, Criminal History Category I, yielding an advisory Guidelines sentence of 1,200 months' incarceration.' The defendant does not dispute the accuracy 'As noted in the Defendant

§ 2G2.2(bX1); and three levels for acceptance of responsibility, U.S.S.G. § 3E1.1. Accordingly, based on Sinerius's total of- fense level of 29 and Criminal History Category of II, the PSR calculated an advisory Guidelines range of 97 to 121 months. However, the PSR also de- termined that Sinerius's' prior conviction fo