Burgundy PLC is financed through bonds and ordinary shares. The bonds were issued five years ago at a par value of 100 (total funds raised 5m). They carry an annual coupon of 10 per cent, are due to be the redeemed in four years and are currently trading at 105.

The companys shares have a market value of 4m, the return on risk-free government securities is 8 per cent and the risk premium for an average-risk share has been 5 per cent. Burgundys shares have a lower than average risk and its historic beta as measured by the comovement of its shares and the market index correctly reflects the risk adjustment necessary to the average risk premium, i.e. 0.85. The corporate tax rate is 30 per cent.

Calculate the weighted average cost of capital (WACC) of Burgundy PLC.