You are a manager in an organisation. Your organisation respects and encourages cultural and ethnic diversity at the workplace. One fine day, when you were passing down the workstation, you overheard...

You are a manager in an organisation. Your organisation respects and encourages cultural and ethnic diversity at the workplace. One fine day, when you were passing down the workstation, you overheard an employee telling a racist joke subjected to a co-worker. a) What do you do in such a situation?