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In one day, Sue can change the oil on 20 cars or change the tires on 20 cars. In one day, Fred can change the oil on 20 cars or change the tires on 10 cars. Sue's opportunity cost of changing oil is ________ than Fred's and her opportunity cost for changing tires is ________ than Fred's.
A) greater; less
B) less; greater
C) less; less
D) greater; greater

Respuesta :

Answer:

Sue's opportunity cost of changing oil is more than Fred's and her opportunity cost for changing tires is less than Fred's.

Explanation:

Opportunity Cost is the value of next best alternative sacrifised while choosing an alternative. Eg : If I can read English or Science & opportunity cost of reading it is reading Science.

               Oil         Tires          Sacrifise Ratio  (Oil:Tires)  

Sue       20           20             20:20 = 1:1

Fred       20            10             20:10 = 2:1 or 1:0.5

Sue can change oil by sacrifising 1 unit tire, Fred can change oil by sacrifising 0.5 unit of tire. So, Sue's opportunity cost of changing oil is more than Fred's .

Fred can change tire by sacrifising 2 units of oil, Sue can change tire by sacrifising 1 unit of oil. So, Sue's opportunity cost of changing tires is less than Fred's.

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