The average annual per capita consumption of fuel, in gallons, for a forty-year period is shown.

Year 0 5 10 15 20 25 30 35 40
Fuel Consumed (gallons) 654 711 712 675 619 563 527 527 584

The polynomial equation that models these data is G(x)=0.025x³-1.50x²+18.31x+654.01.
During this forty-year period, what is the maximum amount of fuel consumed by the average person?
a. 717.5 gallons
b. 692.4 gallons
c. 522.9 gallons
d. 654.2 gallons