Answer:
5.372%
Step-by-step explanation:
Given that
Coupon rate = 6 percent
Yield to maturity = 6.8%
Tax rate = 21 percent
So by considering the above information, the after tax cost of debt is
= Yield to maturity × (1 - tax rate)
= 6.8% × (1 - 0.21)
= 5.372%
We simple multiply the yield to maturity with the after tax rate so that the approximate cost of debt could come
Ignored the coupon rate as it is not relevant for the above computation