Market Supply and Demand

Market Supply and Demand for Pepperoni Pizza. Use this table to answer the following
questions.

As the table suggests, the demand curve is a straight line and so is the supply curve. Take this
into account and suppose the price is $8, with only 4 pizzas being bought and sold. Total surplus
amounts to
a. $20.
b. $30.
c. $36.
d. $40.