Michelle and Mark are married and file a joint return. Michelle owns an unincorporated dental practice. Marl works part$-$time as a high school math teacher, and spends the remainder of his time caring for their daught $2023,$ they report the following items: View the data. View the standard deduction amounts. Read the requirements. Requirement a$.$ What is Michelle and Mark's taxable income or loss for the year? $($Use a minus sign or par a loss or negative adjusted gross income.$)$ Net business income $($loss$)[$ Adjusted gross income $[$ Taxable income $($loss$)$ Requirement b$.$ What is Michelle and Mark's net operating loss $($NOL$)$ for the year? $($Use a minus sign or paren for a loss or for numbers to be subtracted. Use a positive number for all amounts being added.$)$

Excess of non$-$business deductions over nonbusiness income:

Plus: Excess of non$-$business deductions over non$-$business income

Net operating loss