Answer:
c. the moral hazard problem
Explanation:
The moral hazard problem -
It is the condition , in which a person is involved in a risky act , for which he or she is aware that some else need to pay for the condition , is known as the moral hazard problems.
The basic example of a moral hazard problem is the insurance , like health insurance,
Where the people are secured with payment for any heavy health related bill .
Hence, from the question,
Tina's behaviour is depicting the moral hazard problem , as she is very well aware about the payment of her hopital bills .
