MM report

Good Morning,

i need help we have generate Purchase order in SAP in 2017 metrial rate was 20 when we genrate PO it was wrong rate but after MIRO we have identified that wrong rates in different metrial but we have entered manually rate difference in MIRO now My manager called me and ask some metrail sheets to compare Rate from P. O and MIGO rate when we have paid the payment I am worried to much how can I get report and how can compare P. O rate and MIGO difference rate item wise please guide me thank you .... have a good day