What happens to the Sec. 199A deduction if a qualified trade or business generates a loss? a. If the net amount of income, gain, deduction and loss is less than zero, the net amount of the deduction must be carried back and used in a preceding year if possible. If the deduction cannot be used in a carryback year, it is forfeited forever. b. If the net amount of income, gain, deduction and loss is less than zero, the net amount is treated as a loss in the succeeding year. c. None of the choices presented are correct. d. If the net amount of income, gain, deduction and loss is less than zero, the net amount of the deduction is lost and is not available to carryforward or carryback. e. If the net amount of the income, gain, deduction and loss is less than zero, the net amount of the deduction can be carried back to a previous year or the taxpayer can elect to carry it forward