can you please explaine how to calculate?

Net income and stockholders' equity for four businesses Four different corporations, Amber, Blue, Coral, and Daffodi, show the same balance sheet data at the beginning and end of a year. These data, exclusive of the amount of stockholders' equity, are summarized as follows: On the basis of the above data and the following additional information for the year, determine the net income (or loss) of each company for the year. (Hint: First, determine the amount of increase or decrease in stockholders' equity during the year.) Amber: No additional common stock was issued, and no dividends were paid. Blue: No additional common stock was issued, but dividends of $6,600 were paid. Coral: Additional common stock of $26,400 was issued, but no dividends were paid. Daffodil: Additional common stock of $23,100 was issued, and dividends of $6,900 were paid. Enter all amounts as positive numbers