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Answer to Question #90054 in Macroeconomics for Jahidul Islam
Question #90054
a driver wishes to buy gasoline and have her car washed. she finds that the wash costs $3.00 when she buys 19 gallons at $1.00 each, but that if she buys 20 gallons the car wash is free. Thus, the marginal costs of the 20th gallon of gas is
Expert's answer
The total cost for 20 gallons and washing is 19+3 =$22, 19 gallons cost $19.00
The total cost for 20 gallons and washing is 22.
The change in cost is 0.Therefore the marginal cost for the 20th gallon is $0.00
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a driver wishes to buy gasoline and have her car washed. she finds that the wash costs $3.00 when she buys 19 gallons at $1.00 each, but that if she buys 20 gallons the car wash is free. Thus, the marginal costs of the 20th gallon of gas is
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