Which statement is true about the definition of source systems in Functional Setup manager?

All order capture and fulfillment systems are defined as Spoke systems.

The Oracle Fusion order capture and fulfillment system is defined as Fusion.

All external order capture systems are defined as Spoke systems and the Fusion fulfillment system is defined as Fusion.

All external order capture systems are defined as Spoke systems and external fulfillment systems are defined as purchased.