Professor Artem offers his students $10 if they can run around the classroom building in two minutes. Ahmad, his student, believes that even if he does this, Professor Artem would not really give him the money. Ahmad's lack of motivation can be explained by:
A. valence
B. instrumentality
C. underpayment inequity
D. directive leadership

Although appealing to more refined tastes, art as a collectible has not always performed so profitably. during 2003, an auction house sold a sculpture at auction for a price of $10,211,500. unfortunately for the previous owner, he had purchased it in 2000 at a price of $12,177,500. what was his annual rate of return on this sculpture? (a negative answer should be indicated by a minus sign. do not round intermediate calculations and enter your answer as