Five gasoline stations are located in a region such that any one station is exactly 1 mile away from at least two other stations. This is shown in the diagram to the right.

You are currently at station A but read in the newspaper the prices being charged by the other stations are the?following:

Station	Price
B	2.40
C	2.20
D	2.00
E	2.50
F	1.80

You seek to buy 20 gallons of gas. What is the greatest price you will pay per gallon at station A if time and travel costs are? $2 per? mile?

The highest price you pay for a gallon of gas is $ ________.

?(round your answer to the nearest? penny)