Consider a company whose capital structure has $50$ crore equity and $50$ crore debt in year $1.$ The company earned a profit of $30$ crore at the end of year $1$ and decided to repay its debt. The company$$s capital structure in year $2$ became $80$ crore equity and $20$ crore debt. The cash flow from the project in which this money was invested for the two years are as follows:

Cash flow for year $1$: $30$ crore

Cash flow for year $2$: $25$ crore

What will be the discount rates$/$required rate of return for calculating the present value of the cash flow of year $1$ and year $2$ if the after$-$tax cost of debt is $7\mathrm{.}5\%$ and the cost of equity is $14\%?$