In calculating the component costs of capital, Joanna Cohen inappropriately did which of the following in estimating Nikes cost of debt:

Group of answer choices

used Yield-to-Maturity based on current market price of Nikes outstanding debt

forgot to adjust to the after-tax cost of debt in computing the Cost of Capital

divided the current interest payment amount by the existing Book Value of debt

used an estimate based on a peer group of similar firms with similar debt rati

none of the above.