You have decided to put $ $200$ in a savings account on the first of every month for $10$ years. The savings account credits interest semi$-$annually, at the annual rate of $6\%.$ You wish to know how much money will you have in your account immediately after your last deposit. Find the number of payments per year. Find n $($the number of payments in total$).$

a$.$

$120$

b$.$

$20$

c$.$

$40$

d$.$

$60$

e$.$

$10$