A 10-year bond with a coupon rate of 7% and par value of $1000 currently has a price of $950. The bond is callable in 5 years with a call price of $1100. What is the bonds yield to call?

A 20-year bond with a coupon rate of 8% and par value of $1000 currently has a yield to maturity of 6%. The bond is callable in 5 years with a call price of $1100. What is the bonds yield to call?

A zero-coupon bond with 10 years remaining until maturity and a par value of $1000 has a yield to maturity of 10%. What is the bonds price?

(Financial calculator please)