In the goal-setting model of motivation, ____ is required.

A) personal mentoring
B) obedience
C) timely and relevant feedback
D) swift punishment
E) servant leadership

​What are some of the solutions for a hold-up problem?

A) ​Mergers
B) Contracts
C) Exchange of 'hostages'
D) ​All the above

Most business letters are printed on letterhead stationery.