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Al Kaanz LLC is financed through bonds (debt capital), preference shares and ordinary shares. The bonds of the firm have a market value of OMR 6.4 million. The cost of bond (debt capital) before tax is estimated to be 10 per cent. The market value of its irredeemable non-participating non-convertible preference shares is OMR 6.4 million and the rate of return being offered is 7.5 per cent per year. The companys equity shares have a market value of OMR 12.8 million, the return on risk-free government securities is 8 per cent and the risk premium for an average risk share has been 6 per cent. Al Kaanzs shares have a beta of 0.75. The corporate tax is 32 per cent. Calculate the weighted average cost of capital.