Please answer

a) A discount band matures in 5 years and has a 3% yield It's wrrent price is 43,130. What is the face value of the bond? b) A coupon band matures in 10 years, nas a 5\% yield, pays E s,000 coupon anually, and has as face value if 50,000. What is the current bend price? c) If a consol bond pays 100 each year, and has a 5\% yield, what weuld its price be