27. you purchase 9.25 gallons of gasoline at $3.15/gallon. you also buy gum ($1.10) and windshield wiper fluid ($4.97). the state has a food tax of 4% and you give the clerk $30.00 cash. you pay the rest with your debit card. how much is charged to your debit card?
a) $35.21
b) $5.21
c) $35.25
d) $5.25