The accompanying table below shows the relationship between the number of times you get your car washed each month and your total monthly benefit from car washes. Each car wash costs $15. Number of Car Washes Per MonthTotal Monthly Benefit from Car Washes0$01$202$363$484$565$60 What is the marginal cost of the 5th car wash each month?

A. $15
B. $12
C. $14
D. $4


Answer: A

Economics

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Suppose that iPhones are normal goods. If the income of iPhone users decreases, you predict that in the market for iPhones

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Economics