The target capital structure of Rafiki Chemicals is as follows: 35% debt, 10% preference shares, and 55% ordinary shares. The cost of debt and preference shares is 9.50% before tax and the cost of ordinary shares is 11.25%. Assume a tax rate of 28%

Determine the weighted average cost of capital for Rafiki Chemicals.

		7.53%
		8.82%
		9.53%
		10.47%