Layar Gemilang has collected the following information to estimate the company's

weighted average cost of capital (WACC). Assume the company's tax rate is 35 percent.

Debt

4,000 7 percent coupon bonds outstanding, RM1,000 par value, 20 years to maturity,

selling for 105 percent of par; the bonds make semiannual payments.

Common stock

90,000 shares outstanding, selling for RM60 per share; the beta is 1.10.

Preferred Stock

13,000 shares of 6 percent preferred stock outstanding currently selling for RM110

per share.

Market

14 percent expected return and T Bill yielding 6 percent.

i. What is the company's after-tax cost of debt?

ii. What is the company's cost of common equity?

iii. What is the company's cost of preferred stock?