Alpha Corp. had 15,000 of dividends in arrears for, cumulative, non-participating preferred stock as of January 1, 2018. This value of dividend in arrears was for the fiscal years 2016 & 2017. During fiscal year 2018, common shareholders received a cash dividend distribution. No additional shares of preferred stock were issued during fiscal years 2017&2018. Use this information to determine the dollar amount of dividends that was paid to preferred shareholders during fiscal year 2018.