please help!

A $41,000 loan at 8.6% compounded semiannually is to be repaid by semiannual payments of $2,900 (except for a smaller final payment). (Do not round intermediate calculations and round your final answers to 2 decimal places.) a. What will be the principal component of the fifteenth payment? Principal $ b. What will be the interest portion of the seventh payment? Interest $ c. How much will Payments 8 to 14 inclusive reduce the principal balance? Principal reduction $ d. How much interest will be paid in the fifth year? Interest paid $ e. What will be the final payment? Final payment $