1. I want to know how to solve these 2 questions and what the answers are 1.    Solar industries has a debt-to-equity ratio of 1.25. Its WACC is 7.8%, and its cost of debt is 4.7%. The corporate tax rate is 21%. a.    What is the company’s cost of equity capital?b.    What is the company’s unlevered cost of equity capital?c.    What would be the cost of equity if the D/E ratio were 2? What if it were 1? 2.    Therap software company is trying to determine its optimal capital structure. The company’s current capital structure consists of 35% debt and 65% common equity; however, the treasurer believes that the firm should use more debt. Currently, the company’s cost of equity capital is 9%, which is determined by CAPM. What would be Therap’s estimated cost of equity capital if they change their capital structure to 50% debt? Risk-free rate is 3%, market index returns 11%, and the Therap’s tax rate is 25%.

EBK CONTEMPORARY FINANCIAL MANAGEMENT
14th Edition
ISBN:9781337514835
Author:MOYER
Publisher:MOYER
Chapter13: Capital Structure Concepts
Section: Chapter Questions
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1. I want to know how to solve these 2 questions and what the answers are 1.    Solar industries has a debt-to-equity ratio of 1.25. Its WACC is 7.8%, and its cost of debt is 4.7%. The corporate tax rate is 21%.

a.    What is the company’s cost of equity capital?
b.    What is the company’s unlevered cost of equity capital?
c.    What would be the cost of equity if the D/E ratio were 2? What if it were 1?

2.    Therap software company is trying to determine its optimal capital structure. The company’s current capital structure consists of 35% debt and 65% common equity; however, the treasurer believes that the firm should use more debt. Currently, the company’s cost of equity capital is 9%, which is determined by CAPM. What would be Therap’s estimated cost of equity capital if they change their capital structure to 50% debt? Risk-free rate is 3%, market index returns 11%, and the Therap’s tax rate is 25%. 

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