Alex, who is single, conducts an activity in 2018 that is appropriately classified as a hobby. The activity produces the following revenues and expenses: Revenue $18,000 Property taxes 3,000 Materials and supplies 4,500 Utilities 2,000 Advertising 5,000 Insurance 750 Depreciation 4,000 Without regard to this activity, Alex's AGI is $42,000. Determine the amount of Alex's taxable income assuming he has not other itemized deductions. Taxable income