How can capital structure influence the returns that a company earns for its shareholders

Q1. How can capital structure influence the returns that a company earns for its shareholders? Q2. Explain the cash conversion cycle (CCC) and net working capital. Why is this important to the contemporary executive? How do executive decisions regarding CCC and net working capital affect the company? Provide an example. Q3. To what extent do you agree or disagree with the following statement on a scale of 1 to 5 where 1 = strongly disagree and 5 = strongly agree. Please explain your answer.