Calculation of effect of transactions on owners' equity:
The declaration of $150,000 of dividends shall decrease the owners' equity.
The $96,000 increase in accounts receivable for services rendered shall increase the owners' equity due to increase in Revenues.
And there shall be no effect of purchase of equipment for $63,000 on the owners' equity.
Hence the net effect on owners' equity shall be = 96000-150000 = -$54,000 or Decrease of $54,000
Hence the correct answer is;
c. decrease of $54,000.