What is the size of the payments that must be deposited at the beginning of each 6-month period in an account that pays 8.2%, compounded semiannually, so that the account will have a future value of...

What is the size of the payments that must be deposited at the beginning of each 6-month period in an account that pays 8.2%, compounded semiannually, so that the account will have a future value of $120,000 at the end of 17 years? (Round your answer to the nearest cent.)