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Marginal Cost
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Marginal Cost
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10. The Costs of Production / Marginal Cost / Problem 3
Problem 3
If the total cost of producing 30 units is \$600 and the total cost of producing 31 units is \$620, what is the marginal cost of the 31st unit?
A
\$20
B
\$600
C
\$620
D
\$31
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