My wife periodically uses the office I maintain in my home, so I know that I will not qualify for the home-office deduction. My use of this office for my dental practice works out to about 95 percent. My question is about the $4,000 I spent on furniture and equipment outfitting the office. Can I expense that? (E.L., Scottsdale, Ariz.)

Let’s start with your question on the office furniture and equipment. Yes, the 95 percent business cost ... Log in to view full article.