Curtain Co. paid dividends of $6,000; $12,000; and $20,000 during 2014, 2015 and 2016, respectively. The company had 1,000 shares of 5%, $200 par value preferred stock outstanding that paid a cumulative dividend. The amount of dividends received by the common shareholders during 2016 would be:
A. $4,000
B. $6,000
C. $8,000.
D. $10,000.