Can someone please help me?

A 15-year bond issue of 4,400,000 and bearing interest at 3% payable annually is sold to yield 2.5% compounded quarterly. What is the issue price of the bonds? The purchase price of the bond is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) A $100,000 bond bearing interest at 4% payable annually is bought nine years before maturity to yield 3.3% compounded semi-annually. If the bond is redeemable at par, what is the purchase price? The purchase price of the bond is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)