The Marginal Net Profit is the net profit gained from stocking 1
additional unit.
Example
Net profit
at a stocking level
of 10
units and a fixed demand level
is $3000,000.
Net profit
at a stocking level
of 11
units and the net profit
at that stocking level
and fixed demand level
is expected to be $3400,000.
The Marginal Net Profit is $400,000.