Janelle is considering two options for saving money. One option earns simple interest while the other option earns interest compounded monthly. If there are no additional deposits or withdraws, how much more will Janelle earn with the compound interest option? Assume Janelle deposits

$

$3$

$,$

$000$

at

$3$

$\%$

interest for

$7$

years for both options.

Do not round until the final answer. Round to the nearest cent.