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We can estimate a firm's cost of debt by a. Observing the yield to maturity on newly-issued debt of other firms without regard to risk. Ob. Observing the risk-free rate and adding a risk premium to the coupon rate of existing debt. O c. Observing the coupon rate on the firm's outstanding bonds. Od. Observing the firm's bank borrowing rate on short-term loans. Oe Observing the yield to maturity on the firm's outstanding bonds. The cost of capital is also known as the appropriate discount rate True False Which one of the following correctly represents a firm's after-tax cost of debt? a coupon rate x (1 - tax rate) Ob.current yield x (1 - tax rate) Oc yield to maturity x tax rate O d. yield to maturity x (1 - tax rate) O e current yield x tax rate The risk-free rate of return is considered, directly or indirectly, in the weighted average cost of capital. True False If you are using the perpetuity formula, you are computing the cost of: O a. Debt on a pre-tax basis. O b. Preferred stock. O c. Common stock. d. Either common or preferred stock. e, Debt on an after-tax basis