The Resource Availability Capacity Score is a metric used to evaluate a resource's availability. The calculation for this score is not performed for resources with complex calendars. A calendar is considered complex if it does not follow a standard seven-day week pattern or if it contains multiple patterns and shifts. The system excludes these to avoid potential inaccuracies in a standardized scoring model. Resource R fits this exclusion criterion, while resources P, Q, and S meet the prerequisites for the score to be calculated.

A. An active calendar (Resource P) is a prerequisite for the score to be calculated, not a reason for exclusion.

B. Having request dates within the calendar's effective dates (Resource Q) is a necessary condition for the calculation.

D. Having non-zero working days (Resource S) is required for a resource to be considered available and thus have a score calculated.

- Oracle Fusion Cloud Project Management, "Implementing Project Resource Management", Chapter: Set Up Project Resource Management, Section: How Resource Availability Capacity Score Is Calculated. (Doc ID: F68343-03, Release 23C). The documentation states, "The score isn't calculated for resources with complex calendars."