Mark,Kerry,Greg,and Carlos Each Like Boston Red Sox Baseball Games

Mark,Kerry,Greg,and Carlos each like Boston Red Sox baseball games.The single-game ticket price for an infield box seat is $50.Mark values a ticket at $70,Kerry at $65,Greg at $60,and Carlos at $55.Suppose that if the government taxes tickets at $10 each the selling price rises to $60.A consequence of the tax is that

A) consumer surplus shrinks by $50 and tax revenues increase by $30, so there is a deadweight loss of $20.
B) consumer surplus shrinks by $35 and tax revenues increase by $30, so there is a deadweight loss of $5.
C) consumer surplus shrinks by $20 and tax revenues increase by $20, so there is no deadweight loss.
D) consumer surplus shrinks by $15 and tax revenues increase by $20, so there is no deadweight loss.