The 1st question about yield maturity is more essential but if you can also kindly find the time to double check our answers to the second question, we would greatly appreciate it.

Yield to Maturity and Call with Semiannual Payments Thatcher Corporation's bonds will mature in 10 years. The bonds have a face value of $1,000 and an 8% coupon rate, paid semiannually. The price of the bonds is $1,100. The bonds are callable in 5 years at a call price of $1,050. What is their yield to maturity? What is their yield to call? Do not round intermediate calculations. Round your answers to two decimal places. YTM: % Required Rate of Return Suppose rRF=4%,rM=9%, and rA=10%. a. Calculate Stock A's beta. Round your answer to one decimal place. b. If Stock A's beta were 1.8, then what would be A's new required rate of return? Round your answer to one decimal place. %