Answer:
Option B. 5.28%
Step-by-step explanation:
The cost of unquoted debt can be found from the following formula:
Cost of Debt = Interest rate * (1 - Tax rate)
The interest rate here is 8% and tax rate is 34%.
So by putting the values we have:
Cost of Debt = 8% * (1 - 34%) = 5.28%
So the cost of debt to the company is 5.28% and rate of return for appraising this opportunity as well.