During a special promotion, a certain filling station is offering a 8 percent discount on gas purchased after the first 10 gallons. If Kim purchased 20 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?	Choose the most appropriate option:
A) 80%
B) 105%
C) 115%
D) 120%
E) 140%
Kim purchased 20 gallons of gas. She paid for   4 + 0.9*16= 
<gadget id="calculator">  4 + 0.9*16</gadget>
<output>18.4</output>
18.4 gallons, so the overall discount she got was 1.6/20= 8%.   Isabella purchased 25 gallons of gas. She paid for   4 + 0.9*21= 
<gadget id="calculator">  4 + 0.9*21</gadget>
<output>22.9</output>
22.9 gallons, so the overall discount she got was 2.1/25= 8.4%.   8.4/8*100= 
<gadget id="calculator">8.4/8*100</gadget>
<output>105</output>
105% .   Answer: 105%.
<result>B</result>
During a special promotion, a certain filling station is offering a 8 percent discount on gas purchased after the first 10 gallons. If Kim purchased 20 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?