The board of directors of a human resources outsourcing company has declared a dividend of $$4,000,000.$ The company has $600,000$ shares of preferred stock that pay $$0\mathrm{.}70$ per share and $1,800,000$ shares of common stock.

$($a$)$

What are the dividends $($in $$)$ due the preferred shareholders?

$

$($b$)$

What is the dividend per share $($in $$)$ of common stock? $($Round your answer to the nearest cent.$)$

$