Answer: B. extrinsic
Step-by-step explanation:
Extrinsic rewards are rewards that are physical and/or tangible that Employers use as incentives. The goal being that when an Employee reaches a certain target or performs admirably they are awarded these rewards to appreciate them and to keep them working hard.
Extrinsic rewards are usually monetary in value such as bonuses or salary increments.
The manager offering employees with overtime pay is monetary and tangible so is and Extrinsic reward.