Study the supply curve given in the figure.
If the market price is $8, what is the quantity supplied?
From the supply curve, it can be seen that corresponding to a price of $8, the quantity supplied is 40 units.
Study the supply curve given below and answer the following question.
If the market price is $4, the producer surplus is ________.
For the supplier, when the marginal cost of producing a unit is $2, his profit is maximized. What quantity would he supply?
If the quantity supplied increases from 10 to 20, the total revenue ________.