Greg is a self-employed psychologist. He meets with all of his clients in his 400 square foot home office. The entire house has a square footage of 2,400 square feet. Greg incurred the following costs: Utilities$1,600 House insurance700 Business liability insurance500 House maintenance1,000 Mortgage interest3,700 Property tax1,100 Office supplies500 What are the total expenses deductible from business income? 1) $1,000 2) $2,350 3) $1,350 4) $1,517