Answer:
The consumer surplus in the market for gasoline is $250 million
Explanation:
Consuemr Surplus
It is the difference between the consumer is willing to pay for the commodity and the actual market price.
The consumer surplus can be calculated as follow
Consumer Surplus = 0.50 x ( Maximum Price - Market Price ) x Quantity
Where
Maximum Price = $6.00
Market Price = $3.50
Quantity = 200 million gallons
Placing values in the formula
Consumer Surplus = 0.50 x ( $6.00 - $3.50 ) x 200
Consumer Surplus = $250 million
Note: The graph in the question was missing, it is attached for your reference.