In One of the Case Studies in the Textbook, Rita

In one of the case studies in the textbook, Rita Mae King was a purchasing agent at an electronics and appliance chain. She frequently worked with travel vendors and managed to put Spicewood Travel on the top of the preferred vendor list. Upon investigation, the fraud examiners discovered that she ran her own travel agency out of her office at the store and received kickbacks from Spicewood Travel in return for having her company use them to book trips. What triggered the investigation of Rita Mae King's activities?

A) Her supervisor found an invoice for a trip that she booked showing she received an employee discount from Spicewood Travel.
B) An employee from Spicewood Travel called King's office and left an urgent message for King to call them concerning a travel problem with a group she booked to the Cayman Islands.
C) Another employee of her company found a business card that she had left in a fishbowl for a drawing showing that she was an employee of Spicewood Travel.
D) Her former boyfriend called the loss prevention department's hotline and informed them that she was receiving kickbacks from Spicewood Travel.