​At a fair carnival roulette wheel,a player can either win $10,$30,or $80.Assuming a rational player,how much should the game owner charge the player,to maximize his own profit?

A) ​$30
B) $40
C) $50
D) ​$80

The reward system in which employees tend to "top out" is:

A) profit-sharing programs
B) flexible-benefit plans
C) skill-based pay
D) informal reward

Technology helps salespeople to:

A) rely on fewer environmental signals.
B) identify customer personality styles.
C) implement frequent trial closes.
D) view customers as decision makers.
E) serve customers faster and better.