Paolo is visiting Mexico and needs to fill his gas tank. Paolo finds that the daily exchange rate for his currency is 30.77 Mexican pesos to the US dollar. If the gas prices are 15.20 pesos per list, and Paolo pays, $1.80 per gallon at home, how much more, in dollars, does it cost Paolo to completely fill his 14 gallon tank? a) 0.70
b) 1.40
c) 6.90
d) 18.20