please do it quickly, i do rates

You plan to deposit X$ at the beginning of each year into an account at an interest rate of 8%. You would like to have saved up $1000 in 20 years' time, one year after the 20th (and final) deposit. What needs to be the value of the annual payment? The answer ts within $2 of which of the following? 12 16 20 24 None of the above