7. New Castles (NC) is a relatively risky firm that will have assets worth either $100 million, $120 million or $330 million with equal probability. Given the risk, the required rate of return on firm assets is 18%. NC also has two outstanding bonds: senior bonds with a face value of $95 million and a cost of debt of 4% and junior debt with a face value of $30 million and a cost of debt of 12%. If NC defaults on either bond, there will be an additional loss of asset value of $10 million in bankruptcy costs.

What is the current value of the senior debt? $89.74M

What is the current value of the junior debt? $13.39M

What is the current value of the equity? $46.58M

These are the correct answers. Can you explain how you get them preferably without excel as we are not allowed to use it