Which of the following is not a benefit derived from developing a service blueprint?

a. Aids in identifying points of interest in the service, such as where customers will wait or where mistakes may be made.
b. Aids in forecasting new service demand.
c. Transforms an idea into a more physical reality.
d. Clearly separates the front office from the back office, showing where particular care must be taken in order to exceed (and shape) customer expectations.