Yacht & Beach Company began operations on January 1, 2015, and issued preferred and common stock. The stockholders' equity section of the Yacht & Beach Company's balance sheet immediately after the issuance of the preferred and common stock was as follows:

Preferred stock, No par, $4 annual dividend,

58,000 shares issued and outstanding $ 4,800,000

Common stock, $2 par,

1,100,000 shares issued and outstanding 2,200,000

Additional paid-in capital - common 21,600,000

Retained earnings 0

Total stockholders' equity $28,600,000

Dividend payments were as follows:

2015 $0

2016 $100,000

2017 $420,000

2018 $750,000

No additional shares of preferred or common stock were issued after January 1, 2015, nor did the company ever have treasury stock.

 Required

How would the dividends be distributed for 2015 through 2018 between the preferred stock and the common stock if:

a. the preferred stock were cumulative?

b. the preferred stock were noncumulative?