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Marilyn​, a medical ​student, buys two cups of coffee a​ day, which costs her ​$5.00. She decides to buy one more cup each day and her expenditure on coffee increases to ​$7.50. The marginal cost to Marilyn of a cup of coffee is​ _______.

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princessesther2011

Answer:

The marginal cost to Marilyn of a cup of coffee is $2.50

Explanation:

Marginal cost = change in cost/change in quantity = $7.50 - $5.00/3 - 2 = $2.50/1 = $2.50

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