The variables used in the formula in this HW may not the same in our class $A$ is $FV$;$P$ is $PMT$; $n$ is $m.$

You deposit $$400$ each month into an account earning $6\%$ interest compounded monthly.

a$)$ How much will you have in the account in $30$ years?

b$)$ How much total money will you put into the account?

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c$)$ How much total interest will you earn?