Danny owns an electronics outlet in Dallas. This year, he paid $610 to register for a four-day course in management in Chicago. Danny paid $790 in airfare and $960 for five nights lodging. After the course, Danny spent the last day sightseeing. During the trip, Danny also paid $160 a day for meals at restaurants, and $100 a day for a rental car. What amount of these travel expenditures may Danny deduct as business expenses?