A summary of selected ledger accounts appears below for Solomon’s Electrical Services for the current calendar year-end. Common Stock 12/31 8,500 1/1 90,000 12/31 30,000 Retained Earnings 12/31 5,000 1/1 62,000 12/31 18,000 Dividends 3/31 2,500 12/31 5,000 9/30 2,500 The $18,000 debit to Retained Earnings on December 31 must represent a.net income b.net loss c.sales of common stock d.dividends paid