Company X has the following capital structure, which it considers to be optimal:

Debt =33%, Preferred stock = 28%, Common equity = 39%

Company Xs tax rate is 25% and investors expect earnings and dividends to grow at a constant rate of 6.5% in the future. Company X is expected to pay a dividend of $4.40 per share next year, and its stock currently sells at a price of $55 per share.

Company X can obtain new capital in the following ways:

1. Preferred: New preferred stock with a dividend of $13 can be sold to the public at a price of $109 per share.
2. Debt: Debt can be sold at an interest rate of 11%.

Calculate and answer the following:

A. Cost of Common equity? B. Cost of Preferred Equity? C. Cost of debt? D. Weighted Average Cost of Capital (WACC) E. Which source of capital is the most costly?