ABC Limited balance sheet shows a total of Rs$.70$ million long$-$term debts with an interest

cost of $9\mathrm{.}00\%.$ This debt currently has a market value of Rs$.65$ million. The company has $10$

million shares of common stock, and the book value of the common equity $($common stock plus

retained earnings$)$ is Rs$.80$ million. The current stock price is Rs$.19\mathrm{.}5$ per share. The required

$($expected$)$ on the equity is $20\%.$ The market risk free rate is $5\%$ and estimated market risk

premium is $10\%.($Assuming CAPM$).$ The applicable tax rate is $30\%.$ ABC Limited is thinking

of changing its capital structure and targeting $10\%$ debt and $90\%$ equity. Find the WACC

$($weighted average cost of capital$)$ of the ABC Limited at the target capital structure. $(10)$