Lisa's tax basis in her partnership interest at the beginning of the partnership's tax year was $30,000. The following items were included on her Schedule K-1 from the partnership for the year: Cash Distribution $ 5,000 Ordinary Business Loss $ (50,000) Short-Term Capital Gain $ 10,000 Interest Income $ 5,000 In addition, Lisa's share of the Partnership liabilities decreased by $15,000 during the year. Determine the amount of ordinary business loss Lisa can deduct in the current tax year? (Please enter your answer as a negative number)