Answer:
a. intrinsic rewards
Explanation:
Intrinsic rewards at the workplace are those that meet personal, internal needs. These intrisic rewards can be summed up in job satisfaction and sense of accomplishment, but what makes a job satisfying, and what makes a worker feel accomplished is subjective, and varies from person to person.
Mike is focusing on the intrinsic rewards of his new job because he is giving more importance to this subjective aspects explained above than to external factors such as status, or wage.