I need help answering this, not sure how to calculate this. Thank you!

23 S+t s 13 1 0 8 t I I I I I I I I I I : : 2 I I I I D 801 00 Q The above gure shows the market for beer. The government imposes a unit tax of $ in this market. Of this unit tax, $I:| is a burden on consumers. Total tax revenue is $ After the imposition of the tax, total surplus drops by $