# Marginal Cost and Cost of a Unit

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A manufacturer estimates that when x units of a particular commodity are produced, the total cost will be C(x) = 180 + 38ln(10x - 7) dollars. Use marginal cost analysis to estimate the cost of producing the 10th unit.

A. $347.92

B. $352.24

C. $4.58

D. $5.21

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$2.49