Your Corporation has the following capital structure:

Bonds, 7% P 3,000,000

Preferred Stock, P50.00 2,400,000

Common Stock 3,600,000

Retained Earnings 3,000,000

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P12,000,000

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Dividends on common stock are currently at P30 per share and are expected to grow at a constant rate of 6 percent. Market price per share of common stock is P400, and the preferred stock is selling at P500. Flotation cost on new issues of common stock is 10 percent. The interest on bonds is paid annually. The company's tax rate is 40 percent. Calculate the following: (a) The cost of debt (b) The cost of preferred stock (c) The cost of retained earnings (internal equity) (d) The cost of new common stock (external equity) (e) The weighted average cost of capital considering all four sources of funds Briefly discuss the implications of the results.