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With a 8% coupon rate and a 10% yield to maturity would produce a 6% after-tax cost of debt if their tax rate is 40%.

The tax rate After-tax cost of debt is 60% when their normal cost rate is 40%.

What is bond?

A bond is a type of asset in which the issuer owes the holder a debt and is required to repay the principle of the bond as well as interest over a specified period of time, depending on the terms. In which the Interest is often paid at regular intervals.

Computation of After-tax cost of debt:

According to the given information,

Before tax, cost of debt = 10%, and

Tax rate = 40%

[tex]\text{After-Tax Cost of Debt} = (1- \text{Tax Rate}) \times \text{Before-Tax Cost of Debt}\\\\\text{After-Tax Cost of Debt} = (1-0.4) \times 10\%\\\\\text{After-Tax Cost of Debt} = 6\%[/tex]

Therefore, the after-tax cost of debt is 6%.

Learn more about debt, refer to:

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