Norman has been working in the sales division for a large manufacturing company for four months. In this short period of time, Norman has learned that Mr. Hill, his manager, keeps increasing monthly targets significantly, and though each time the target appears unrealistic, Norman has been able to achieve them throughout the last four months. Mr. Lee's approach of leading his employees to work more efficiently by setting successively higher targets is an example of his ________ leadership.
a) production-oriented
b) support-oriented
c) person-oriented
d) employee-oriented
e) consideration-based