Thatcher Corporation's bonds will mature in 11 years. The bonds have a face value of $1,000 and a 9% coupon rate, paid semiannually. The price of the bonds is $1,050. The bonds are callable in 5 years at a call price of $1,050. Do not round intermediate calculations. Round your answers to two decimal places.

a. What is their yield to maturity?

b. What is their yield to call?

Can you please teach me what I need to put in my financial calculator?