Rugby Rocks, Inc. had a Retained Earnings balance of $12,000 at December 31, 2012. The company had an average income of $7,500 over the next 3 years, and an ending Retained Earnings balance of $15,000 at December 31, 2015. What was the total amount of dividends paid over the last three years? a. $4,500. b. $6,500. c. $19,500. d. $27,000