I think it important , (if your not already doing so) to ensure that your SAP sales figures are month by month matching accounts in the Management Accounts.
Can you please work with accounts January thru September 2015 and ensure that both reports are in sync?
I prefer that each month is checked and we end the year on 31 December with sync between the documents rather than have a three month drama and rebuilding of the figures during the first quarter of the year. Such as we had to do earlier this year.
This is a big job because there are four locations and consolidated to deal with.