DN Realities Pvt$.$ Ltd$.$ has the following Capital Structure: Market Price per Equity Share is Rs$\mathrm{.}50.$ The next expected Dividend per Share is Rs$\mathrm{.}5$ and the Dividend is expected to grow at $8\%.$ The Preference Shares are redeemable after $7$ years at Par and are currently quoted at Rs$\mathrm{.}75$ per share in the stock exchange. The debentures are redeemable after $6$ years at Par and their current Market Quotation is Rs$\mathrm{.}90$ per debenture. The tax rate applicable to the firm is $50\%.$

Calculate:

a$)$ Cost of Equity Capital

b$)$ Cost of Debenture Capital

c$)$ Cost of Retained Earnings

d$)$ Cost of Term Loan

e$)$ Cost of Preference Capital

f$)$ Weighted Average Cost of Capital $($WACC$)$

g$)$ What is the relationship between the Cost of Capital and the Value of a firm