Suppose you invest $$150$ a month for six years into an account earning $10\%$ compounded monthly after six years you leave the money without making additional deposits in the account for another $25$ years how much will you have in the end?

$2.$

Suppose instead you didn't invest anything for the first six years then deposited $$150$ a month for $25$ years into an account earning $10\%$ compounded monthly how much will you have in the end?