Alex Briem works exclusively from home as an employed salesperson for SET Co. During the year, Alex earned $21,000 from SET Co. Alex's office occupies 8% of the home's square footage. The following costs were incurred for the entire home during the year: property taxes $3,000, insurance $1,500, utilities $2,400, and mortgage interest $6,000. How much can Alex deduct for the year? $552 $1,032 $6,900 $12,900