In the above figure, the total consumer surplus at the efficient level of output is ____.

. Single choice.

2 50 a Price (dollars per purse) 40 S = MC CO 30 b D = MB 10 0 100 200 300 400 500 600 Quantity (thousands of purses per month) In the above figure, the total consumer surplus at the efficient level of output is -. [) (1 Point) $9.0 million O $8.5 million $2.5 million $4.5 million