correct answers plzzz

An investment of $10,000 is to be used to make payments of $700 at the end of every year for as long as possible. If the effective annual rate if interest is 6%, find: (a) the number of regular payments the fund will make, (b) the size of the smaller final payment if the payment will be made in addition to the last regular payment, (c) the size of the smaller final payment if the payment will be made one year after the last regular payment. (d) the size of the smaller final payment if the payment is to be made during the year following the last regular payment