Retained earnings, December 31, 2019 Decrease in total liabilities during 2019 Gain on the sale of buildings during 2019 Dividends declared and paid in 2019 Proceeds from sale of common stock in 2019 Net income for the year ended December 31, 2019 $378,540 82,440 28,980 8,100 88,920 40,680 Required: From the above data, calculate the retained earnings balance as of December 31, 2018. (Enter decreases with a minus sign to indicate a negative financial statement effect.) Statement of Stockholders' Equity (Partial) For Year Ended December 31, 2019 Retained earnings, December 31, 2018 Retained earnings, December 31, 2019