GMAT Reading Comprehension (RC) | Re: The fact that superior service can generate a competitive

HelloRudranket ,

Look at the below lines from the passage:
The only merit of the improvement was that it could easily be described to customers.


Now look at the question:
The passage suggests which of the following about service provided by the regional bank prior to its investment in enhancing that service?

The passage clearly says there was no improvement to the existing service level or it helped in adding new customers better then earlier. So we can derive that the existing service was