# Marginal cost

The problem states to find the lerner index for a company that sells sticks at $150 and it cost $45 to produce the stick.

The lerner index is d= 1- (MC/P)

I know I have to find the marginal cost to plug into the equation but I'm not sure how to find the marginal cost.

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#### Solution Summary

Marginal Cost Lerner index is solved.

$2.19