Y Ltd has $15$ million $10c$ ordinary shares in issue with a current price of $120c$ cum div. An annual dividend of $6c$ has just been proposed. The company earns an accounting rate of return to equity $($ROE$)$ of $8\%$ and pays out $35\%$ of the return as dividends. Additionally, Y Ltd has issued redeemable preference shares with the following details:

Nominal value: $$3$ million

Current trading price: $$104$ per $$100$ nominal

Dividend rate: $7\%$

Redemption date: $8$ years from now

The company also has $15\%$ redeemable loan notes with a nominal value of $$5$ million, trading at $$110.$ They are due to be redeemed at nominal value in $10$ years' time. If the rate of corporation tax is $25\%,$ what is the company's WACC?