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
1
Expert's answer
2019-05-23T10:34:56-0400

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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Comments

Assignment Expert
22.05.19, 16:22

Dear visitor, please use panel for submitting new questions

Jahidul Islam
22.05.19, 02:22

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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