Jaxon invested $77,000 in an account paying an interest rate of 6.5% compounded quarterly. London invested $77,000 in an account paying an interest rate of 6.125% compounded monthly. To the nearest hundredth of a year, how much longer would it take for London's money to double than for Jaxon's money to double?
a) 3.29 years
b) 4.04 years
c) 5.12 years
d) 6.18 years