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## Homework Statement

## Homework Equations

marginal revenue[/B] (R') is the additional

**revenue**that will be generated by increasing product sales by one unit

## The Attempt at a Solution

I don't know how to start. Q is the number of items sold at price x. y is the marginal cost, the cost of producing one item. N is the net profit, the revenue (my english isn't perfect so i explain each variable) ##~N=Q(x-y)~##.

The derivative N' is the marginal revenue, no?

Q, x and y are variables. x and y can change according to Q, because if i produce more i can lower the price i charge (x) and also the cost y.

How do i express marginal revenue?