Answer:
a. extrinsic
Step-by-step explanation:
-Extrinsic reward is a visible incentive that an employee receives for accomplishing something like a bonus.
-Psychological reward is an incentive someone receives for a good behavior.
-Intangible reward is a benefit an employee receives that doesn't have money value like a praise.
-Assigned rewards refers to the benefits that are allocated for an employee or position.
-Intrinsic reward are benefits that come from the employee like receiving the opportunity to do a task that is different from his/her daily activities that can make him/her feel valuable for the company.
According to this, the answer is extrinsic reward.