A firm is considering $3$ projects. To maintain the target capital structure, $20\%$ of the capital must be raised as debt. Net income is $$50$ million. All $3$ projects have the same risk level as the firm on average. Firm's WACC $=10\%.$ What is the payout ratio?

Project A: IRR$=20\%$; $$30$ million initial investment requirement.

Project B: IRR$=3\%$; $$2$ million initial investment requirement.

Project C: IRR$=6\%$; $$10$ million initial investment requirement.

$52\%$

$68\%$

$43\%$

$75\%$