A) General Motors currently has outstanding bonds that were originally issued in 2018, with original maturity of 30 years. The bonds have an annual coupon rate of 5.4%, paid semiannually, and a $1,000 par value. If the bonds' yield in a recent 2022 trade was 6.44%, what was the bonds' price?

B) Firm But Comfy Mattresses has a beta of 1.25. If the risk-free rate is 1%, and the market risk premium is 10%, what is the company's required rate of return?