A Supervisor Has Called an Employee in for an Interview

A supervisor has called an employee in for an interview about an inventory shortage. When the supervisor begins asking questions, the employee invokes his Weingarten rights. The supervisor has the option to do which of the following?

A) Discontinue the interview, and make the determination based on other evidence and documentation.
B) Continue the interview while waiting for a co-worker to return from lunch.
C) Stop the discussion while the employee calls an attorney.
D) Stop the discussion until the shop steward is available upon return from vacation in 4 days.