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Shep Company's records show the following information for the current year. Determine net income (loss) for each of the following separate situations. Note: For all requirements, losses should be entered with a minus sign. a. Additional owner investments of $6,400 were contributed, and withdrawals of $10,400 were made during the current year. b. Additional owner investments of $15,850 were contributed, and no withdrawals were made during the current year. c. No additional owner investments were contributed, and withdrawals of $15,400 were made during the current year