What is the recommended option to perform this upgrade?

You are planning to upgrade your SAP ECC 6.07 system running on a single codepage (SCP) to SAP ECC 6.08.

What is the recommended option to perform this upgrade? Please choose the correct answer.
A . Perform the upgrade to SAP ECC 6.08 before the Unicode conversion.
B . Combine the upgrade and the Unicode conversion using the Twin Upgrade &Unicode Conversion (TU &UC) procedure.
C . Perform the Unicode conversion before the upgrade to SAP ECC 6.08.
D . Combine the upgrade and the Unicode conversion using the Combined Upgrade &Unicode Conversion (CU &UC) procedure.

Answer: C