6. (5 points) Roberto, a self-employed attorney, flew from his home in Miami to Vail, CO for a combined business/vacation trip. He spent 6 days on business and 4 days skiing at the Vail ski area. His expenses were as followings: Airfare: Meals ($50/day) Lodging ($200/day) $700 $500 (assume only is deductible) $2,000 a. What is his deductible travel expense?