Alex 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?

Multiple Choice

$$552$

$$1,032$

$$6,900$

$$12,900$