DuraMax Inc. manufactures car radios and reported $ 75 million in operating income last year on revenues of $ 1 billion last year. The firm is all equity funded and you have computed a beta for the firm of 0.80. You have estimated the optimal debt ratio for the firm to be 40% debt, and you expect the firm to have S 20 million in interest expenses at that debt ratio. Using the interest coverage ratio table at the bottom of this page, estimate the cost of capital for DuraMax at the optimal debt ratio. The riskfree rate is 4%, the tax rate is 40% and the equity market risk premium is 4.82%. Interest Coverage Typical default spread 0.35% Ratio Rating AAA > 12.5 9.50 -12.50 AA 0.50% 7.50 - 9.50 6.00 – 7.50 4.50 - 6.00 A+ 0.70% 0.85% 1.00% BBB 1.50% 2.00% 4.00 – 4.50 3.50 – 4.00 BB+

EBK CONTEMPORARY FINANCIAL MANAGEMENT
14th Edition
ISBN:9781337514835
Author:MOYER
Publisher:MOYER
Chapter14: Capital Structure Management In Practice
Section: Chapter Questions
Problem 15P
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DuraMax Inc. manufactures car radios and reported $ 75 million in operating income
last year on revenues of $ 1 billion last year. The firm is all equity funded and you have
computed a beta for the firm of 0.80. You have estimated the optimal debt ratio for the firm to be
40% debt, and you expect the firm to have S 20 million in interest expenses at that debt ratio.
Using the interest coverage ratio table at the bottom of this page, estimate the cost of capital for
DuraMax at the optimal debt ratio. The riskfree rate is 4%, the tax rate is 40% and the equity
market risk premium is 4.82%.
Interest Coverage
Typical default
spread
0.35%
Ratio
Rating
AAA
> 12.5
9.50 -12.50
AA
0.50%
7.50 - 9.50
6.00 – 7.50
4.50 - 6.00
A+
0.70%
0.85%
1.00%
BBB
1.50%
2.00%
4.00 – 4.50
3.50 – 4.00
BB+
Transcribed Image Text:DuraMax Inc. manufactures car radios and reported $ 75 million in operating income last year on revenues of $ 1 billion last year. The firm is all equity funded and you have computed a beta for the firm of 0.80. You have estimated the optimal debt ratio for the firm to be 40% debt, and you expect the firm to have S 20 million in interest expenses at that debt ratio. Using the interest coverage ratio table at the bottom of this page, estimate the cost of capital for DuraMax at the optimal debt ratio. The riskfree rate is 4%, the tax rate is 40% and the equity market risk premium is 4.82%. Interest Coverage Typical default spread 0.35% Ratio Rating AAA > 12.5 9.50 -12.50 AA 0.50% 7.50 - 9.50 6.00 – 7.50 4.50 - 6.00 A+ 0.70% 0.85% 1.00% BBB 1.50% 2.00% 4.00 – 4.50 3.50 – 4.00 BB+
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