What is the full path for finding the configuration files for IBM Tivoli Storage Productivity Center

What is the full path for finding the configuration files for IBM Tivoli Storage Productivity Center
V4.2 (TPC) installed on a Linux system?

A.
\usr\IBM\TPC\config

B.
/opt/IBM/TPC/config

C.
\opt\IBM\TPC\config

D.
/opt/IBM/TPC/Tivoli/config