Answer:
Find detailed explanations below
Step-by-step explanation:
First and foremost, the issue price of the bond is the face value minus adjustments for discount and flotation costs
issue price=$1000*(1-5%-5%)
issue price=$900
semiannual coupon=face value*coupon rate/2
semiannual coupon=$1000*10%/2
semiannual coupon=$50
number of semiannual coupons in 30 years=30*2=60
Using a financial calculator, pretax cost of debt is computed thus:
N=60(number of semiannual coupons)
PMT=50(semiannual coupon)
PV=-900(price)
FV=1000(face value)
CPT
I/Y=5.58%(semiannual yield)
annual yield=5.58%*2=11.16%
after-tax cost of debt=annual yield*(1-tax rate)
tax rate=21%
after-tax cost of debt=11.16%*(1-21%)
after-tax cost of debt=8.82%
Alternative approach
Yield to Maturity [YTM] = Coupon Amount + [(Par Value – Bond Price) / Maturity Years] / [(Par Value + Bond Price)/2]
semiannual YTM=50+(1000-900)/30/(1000+900)/2
semiannual YTM=(50+3.33)/950
semiannual YTM=5.61%
annual YTM=5.61%*2=11.22%
after-tax cost of debt=11.22%*(1-21%)
after-tax cost of debt=8.86%