Answer:
Answer is the duty of loyalty.
Refer below.
Step-by-step explanation:
Bob, a salesperson at a Carpets Galore store, tells Dita, a customer, "Buy your carpet here, and I’ll install it for half of what the store would charge." Dita buys the carpet, which Bob in-stalls for half the store’s price. Bob keeps the money. Bob has breached the duty of loyalty.