How would you validate a result measure ‘retention rate’ if the customer has a concern that the number is NOT accurate? Note: There are 3 correct answers to this question.

How would you validate a result measure ‘retention rate’ if the customer has a concern that the number is NOT accurate? Note: There are 3 correct answers to this question.

Please refer to the formula below: Retention Rate = (SOP Headcount + External Hires – Terminations)/(SOP Headcount + External Hires) *100.
A . Validate that the External Hires measure produces the correct figure via Drill to Detail.
B . Validate that the EOP Headcount measure produces the correct figure via Drill to Detail.
C . Validate that the SOP Headcount measure produces the correct figure via Drill to Detail.
D . Validate that the Average Headcount measure produces the correct figure via Drill to Detail.
E . Validate that the Termination measure produces the correct figure via Drill to Detail.

Answer: A, C, E