Price	0	20	40	60	80	100	120	140
Quantity	140	120	100	80	60	40	20	0

The table represents a monopolist who has the following costs:

Materials and wages are equal to $40 per unit.

Machinery and shop rental is $200 for the production period.

What are their total profits at the optimal output?

**Do not assume that the curve is linear, only use the output available on the table**