The average benefit of n units of an activity is the（）
A. total benefit of n units divided by n
B. n times the total benefit of n units
C. extra benefit from carrying out one additional unit of the activity
D. n divided by the total benefit of n units
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You want to buy a TV that regularly costs $250. You can either buy the TV from a nearby store or from a store that’s downtown. Relative to going to the nearby store, driving downtown involves addition
A. No, because you will only save 10%, which is less than 15%
B. No, because you will save more than $20
C. Yes, because you will save more than $20
D. Yes, because you will save 10%, which is better than nothing
Dividing the total cost of n units of an activity by n reveals the（）
A. units per cost
B. average cost
C. average benefit
D. marginal cost
The opportunity cost of an activity includes the value of（）
A. the least-best alternative that must be foregone
B. the chosen activity minus the value of the next-best alternative
C. all of the alternatives that must be forgone
D. the next-best alternative that must be foregone
Dean should play golf instead of preparing for tomorrow’s exam in economics if（）
A. he is irrational
B. the economic surplus from playing golf is greater than the economic surplus from studying
C. Dean can play golf for free
D. the benefit of golfing is greater than the benefit of studying
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