ABC Ltd$.$ has the following book value capital structure as on March, $31,2024.$ Equity share capital $(2,00,000$ shares$)10\%$ preference shares $12\%$ Debentures $60,00,00010,00,00030,00,000100,00,000$ The equity share of the company sells at Rs$.30.$ It is expected that the company will pay next year a dividend of Rs$.3$ per equity share which is expected to grow at $5\%$ p$.$a$.$ forever, Assume $40\%$ corporate tax rates. Based on the above information calculate. $($a$)$ Weighted average cost of capital $($WACC$)$ of the company based on the existing capital structure. $($b$)$ Compute the new WACC if the company raises an additional $40$ Lakh debt by issuing $13\%$ debentures. This would result in increasing the expected dividend to Rs$.3\mathrm{.}60$ and leave the growth rate unchanged but the price of the equity share will fall to Rs$.24.$