Task: Question Answering
Input (English): Problem: during a special promotion , a certain filling station is offering a 10 percent discount on gas purchased after the first 10 gallons . if kim purchased 15 gallons of gas , and isabella purchased 25 gallons of gas , then isabella ‟ s total per - gallon discount is what percent of kim ‟ s total per - gallon discount ? 
Options: a ) 80 % , b ) 100 % , c ) 116.7 % , d ) 120 % , e ) 180 %
Output (English): e