Seaside Developments Inc. has $200,000 of no par value 4% cumulative preferred shares, and 12,000 shares of no par value common shares outstanding. In its first three years of operation, the company paid cash dividends as follows: Year 1: $8,000; Year 2: $18,000; and Year 3: $24,000. The amount of dividends received by the common shareholders in year 3 was