What limitation of Resource Capacity Planning may create an issue for the customer?

Your customer is attempting to implement Resource Capacity Planning using Roles. The Roles
Dictionary has been set up by Location, so that Human Resources is able to determine projected
Role shortages Location. The customer’s projects are 20 years in duration.
What limitation of Resource Capacity Planning may create an issue for the customer?

A.
Roles cannot be used in Capacity Planning.

B.
Resources cannot be assigned at the Project level.

C.
Staffing analysis can be used to forecast only up to 10 years in the future.

D.
Role view is governed by Responsible Manager assignments.