Josh Deposits $120 at the end of each month into an account that pays 7% interest compounded monthly.After 10 years the balance on his account in dollars is
$\displaystyle 120*((1+(.07/12)^0)+120*((1+(.07/12)^1)+........120*((1+(.07/12))^N)$
A. What Is the First Term? What is R?
B. What is his balance after 10 years?