i need answer for both parts . have only 1 attempt. thank you

b) A $5000 bond that pays 8% semi-annually is redeemable at par in 20 years. Calculate the purchase price if it is sold to yield 7% compounded semi-annually (Purchase price of a bond is equal to the present value of the redemption price plus the present value of the interest payments). The purchase price is (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) c) Maureen borrowed $3520.00 compounded annually to help finance her education. She contracted to repay the loan in annual payments of $254.00 each. If the payments are due at the end of each year and interest is 4% compounded annually, how long will Maureen have to make annual payments? State your answer in years and months (from 0 to 11 months), Maureen will have to make payments for year(s) and month(s)