please help solve for a) and b)

Kahn Inc, has a target capital structure of 65% common equity and 35% debt to fund its $10 billion in operating assets. Furthermore, Kahn Inc. has a wACC of 14% a before-tax cost of debt of 9%, 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 (D1) is $2, 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 $1.0 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 %