Answer:
The amount of dividends paid to preferred shareholders is $18,000
Explanation:
Ultimately, the preferred shareholders were owed dividends for year 1 and 2 ,as a result the dividends paid in year 3 is for outstanding preferred shareholders' dividends for earlier two years including year 3 dividends, with a balance going to common shareholders.
Total dividends $30,000
Preferred shareholders outstanding dividends
(5000*$20*6%*2 years) ($12000)
Current preferred dividends(5000*$20*6%) ($6000)
Common dividends $12,000
The total dividends paid to preferred shareholders is $18,000($12000 outstanding dividends plus $6000 current year dividends)