Kahn Inc. has a target capital structure of $70\%$ common equity and $30\%$ debt to fund its $$12$ billion in operating assets. Furthermore, Kahn Inc. has a WACC of $16\%,$ a before$-$tax cost of debt of $11\%,$ and a tax rate of $25\%.$ The company's retained earnings are adequate to provide the common equity portion of its capital budget. Its expected dividend next year $(D_1)$ is $$3,$ and the current stock price is $$32.$

a$.$ What is the company's expected growth rate? Do not round intermediate calculations. Round your answer to two decimal places.

$\%$

b$.$ If the firm's net income is expected to be $$1\mathrm{.}4$ billion, what portion of its net income is the firm expected to pay out as dividends? Do not round intermediate calculations. Round your answer to two decimal places. $($Hint: Refer to Equation below.$)$

Growth rate $=(1-$ Payout ratio$)$ROE