Answer:
After tax cost of debt = 5.44*(1-0.35)% = 3.54%
Explanation:
PV = 106
PMT = 6/2 =-3
N = 16*2 = 32 semi annual
FV = -100
Semi annual yield = 2.72%
Annual cost of debt = 2.72%*2 = 5.44%
After tax cost of debt = 5.44*(1-0.35)% = 3.54%
Using Rate function in Excel or Financial calculator