Stacy Places a $20 Value on a Bottle of Wine,and

Stacy places a $20 value on a bottle of wine,and Andrea places a $17 value on it.The equilibrium price for a bottle of wine is $15.Suppose the government levies a tax of $1 on each bottle of wine,and the equilibrium price of a bottle of wine increases to $16.Because total consumer surplus has

A) fallen by more than the tax revenue,the tax has a deadweight loss.
B) fallen by less than the tax revenue,the tax has no deadweight loss.
C) fallen by exactly the amount of the tax revenue,the tax has no deadweight loss.
D) increased by less than the tax revenue,the tax has a deadweight loss.