How will you achieve this?

In your implementation project, the client requires that the Pay Grade field in the Job Information portlet be automatically filled after the Job Classification field value is keyed in for an employee.

How will you achieve this? Note: There are 2 correct answers to this question.
A . Add an onChange rule trigger to the job-code HRIS field in the Succession Data Model
B . Add an onSave rule trigger to the joblnfo HRIS element in the Succession Data Model
C . Create a business rule with Job Information as the base object
D . Create a business rule with Job Classification as the base object

Answer: A, C