How should the Architect set this up with the Service framework using a minimal set of configuration?

A new project for a Client will involve a few different Integrations to their middleware system resulting in four different web services. All will use the same credentials to the middleware. Each will have the same timeout, but will require a separate log file prefix.

How should the Architect set this up with the Service framework using a minimal set of configuration?
A . Four Service Configurations. Four Service Profiles, One Service Credential
B. Four Service Configurations. Four Service Profiles, Four Service Credentials
C. Four Service Configurations. One Service Profile, One Service Credential.
D. One Service Configuration, Four Service Profiles, One Service Credential.

Answer: C