Marlene Is a Shoe Buyer for a Large Department Store

Marlene is a shoe buyer for a large department store. Six months ago, she accepted a free trip to Barbados from one of the companies that she buys shoes from. Now, the company is strongly hinting that it wants Marlene to increase the size of her next order, and Marlene feels some obligation to do so because of the free trip she received. Marlene is involved in
illegal behaviour.
a conflict of interest.
collusion.
insider trading.
price gouging.