Right Answer is: B
Let’s first learn the meanings of the words:
Perquisite (noun) means prerogative, perk, a special right; a benefit which one enjoys or is entitled to on account of one’s job or position.
Privilege (noun) means a special right, advantage, or immunity granted or available only to a particular person or group.
Incentive means a thing that motivates or encourages someone to do something.
Bonus means a sum of money added to a person’s wages as a reward for good performance.
Hence, option B is the correct answer.