Answer:
A. 1/3 computers
B. 0.6 computers
Explanation:
A. The opportunity cost incurred by the US to make cars is the number of computers it would have to give up to make a car.
The US can either make 12 cars or 4 computers. For every car made therefore the US forgoes;
= 4/12
= 1/3 computers.
B. The same logic applies to Japan. They can either make 10 cars or 6 computers.
Their opportunity cost for cars is therefore;
= 6/10
= 0.6 computers
Answer - A (7 years)
WORKINGS
To calculate how long it would take for the new refrigerator to pay for
itself in lower utility costs, the cost of new refrigerator will be divided by lower utility cost per
year
Cost of new refrigerator = $598
TO CALCULATE LOWER UTILITY COST PER YEAR
At a cost of only 12 cents per day
Annual cost will be 12 X 365 = 4380 Cents ($43.8)
Cost saved annually = Cost of old refrigerator – Cost of new
refrigerator.
Lower utility cost per year = $132 – $43.8
Lower utility cost per year = $88.2
How long would it take for the new refrigerator to pay for
itself in lower utility costs?
$598 ÷ $88.2
= 6.78 years
Approximately 7 years
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They will save more and plus it will be there car property
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It is the last one, 7 days
