1. A issued an unsecured bond with a 10% coupon rate paid semiannually. The bond matures in 8 years, has a par value of $1,000, and a yield to maturity of 8.5%. Based on this information, what is the price of this bond?

2. B issued a bond that will mature in 10 years. The bond has a face value of $1,000 and a coupon rate of 8%, paid semiannually. The bond is currently trading at $1,100, and is callable in 5 years at a call price of $1,050. What is the bonds yield to call (YTC)?

3. C issued a $1,000 par, 8%, 10 year bond, which pays semiannual coupons. The bond is callable in 5 years at a call price of $1,050. If the current price of the bond is $1,100, what is its yield to maturity (YTM)?

Detailed Calculation process please!