Assume that Ray is $27$ years old and has $42$ years for saving until he retires. He expects an APR of $6\mathrm{.}2\%$ on his investments. How much does he need to save if he puts money away monthly in equal end$-$of$-$month amounts to achieve a future value of $$1,800,000$ dollars in $42$ years' time?

$748$

$808$

$7,339$

$710$

$9,697$