Answer:
$8,000 (they cannot exceed total income ⇒ business expenses + home office deductions ≤ $80,000)
Explanation:
The Tax Cut and Jobs Act established a maximum of $5,000 (single filers) deduction for property taxes (so Leo's real estate tax qualifies), and since Leo is self-employed, he can also deduct mortgage interest.
Other office expenses can be deducted either total if they only apply to the home office or partially if they apply to the entire house, and must be assigned proportionally. These expenses generally include insurance, utilities, repairs, security system expenses, maid service, garbage disposal, and decorating expenses.
There are two ways to determine the amount of home office deduction: