Which of the following statements regarding a firm$$s pre$-$tax cost of debt is accurate?

It could be based on the stock required return under teh constant growth model and$/$or on the expected return on the stock according to CAPM

It is equal to the coupon rate on the latest bonds issues by the company.

It is based on the yield to maturity of he company$$s outstanding bonds

It must be estimated using the return on similar preferred stock observed in the market

It is equivalent to the average real rate of return on all of a company$$s outstanding bons after discounting the effects of inflation.