what are the master data do we need to maintain for Finance and controlling ?
If you want to model Finance data inside Enterprise MDM then you would have to create a custom solution for this.
The solution to this lies in choosing and judiciously deciding what data is to be put as Master data and how to model that.
Please follow this thread for managing master data in MDM:
A very good document talking about master data in finance domain:
Whereas if you are using embedded MDM for maintenance of fanance data the solution has already been provided by SAP.
Refer to SAP note 1473138 for further details on this.