Mr. simpson deposits his money in a savings account at the springfield bank. would he earn more money with simple interest or with compound interest

a) simple interest earns more because simple interest always has a higher rate.
b) he would earn the same amount, as these are different terms for the same thing.
c) simple interest earns more because the interest is determined annually on the original amount.
d) compound interest earns more because the amount on which interest is paid increases over time.