A) A 30 year bond has a face value of $1000 and a coupon rate of 6% per year, interest payments are paid semiannually. If the maturity from now is exactly 10 years and the current market rate for the same bond is 10% per year, compounded semiannually. How much does the bond worth now?

B) everything stays the same as above, except the current market rate is 2% today. How much does the bond worth today?