On his road trip, leon stops to refuel and get some snacks. he has the following purchases: 12 gallons of gas at $2.89 per gallon 2 granola bars for $1.59 each 1 apple for $0.89 2 bottles of vitamin water for $1.39 each leon must pay 7.5% sales tax on everything but the gas, which already has tax included in the per gallon price. if leon paid $44.64, then he for his purchase.
a. did not pay enough
b. paid the correct amount
c. paid $2.60 too much
d. paid $3.11 too much