To help airport security, Canada imposed the Air Travelers Security Charge (ATSC), an excise tax on the sale of domestic airline tickets. In 2017, the total excise tax was $ 14.96 per round trip domestic airline ticket.According to Stats Canada, 67.8 mm passengers travelled on Round trip domestic airline trips in 2017, with an average price of $ 248.60.The following table shows the supply and demand schedules for airline trips.The quantity demanded at the average price of $ 248.60 is actual data; the rest is hypothetical.

Price of Trip Quantity of trips(millions) Quantity of trips demanded supplied (millions)

$ 250.00 66.0 82.4

$ 248.60 67.8 77.6

$ 241.60 73.8 73.8

$ 233.64 80.8 67.8

$ 233.00 85.3 66.0

a)What is the revenue in 2017 from the excise tax?

b)Suppose on January 1, 2018 the total excise tax will increase to $ 17.00 per ticket.Assume the supply and demand schedule does not change.What is the quantity of tickets transacted now? What is the price for tickets now?What will be the dead weight loss?What will be the tax revenue in 2018 for the ATSC tax?Does this increase in the excise tax increase or reduce the revenue of ATSC?