A company has $3$ sources of funds as working capital:

$$ Shares, totaling $12$ million shares, where the current share price is Rp$.1,250$ per share, beta $1\mathrm{.}25,$ risk free rate $5\mathrm{.}25\%$ and market risk premium $7\mathrm{.}5\%.$

$$ Bonds, total nominal value of Rp$.10$ billion with market price quote at $97\mathrm{.}5\%,9\%$ semiannual coupon, and will mature in the next $6$ years.

$$ Preferred shares, $2$ million shares @ Rp$.5000$ and a fixed dividend of Rp$.450$ per sheet. Current prices are appropriate

PAR.

Calculate the Cost of Capital!