Danny owns an electronics outlet in Dallas. In 2021, he paid $620 to register for a four-day course in management in Chicago. Danny paid $780 in airfare. After the course, Danny spent the last day sightseeing. During the trip, Danny paid $184 per night for five nights' lodging, $180 per day for meals in restaurants, and $120 per day for a rental car. What amount of these travel expenditures may Danny deduct as business expenses? (Leave no answers blank. Enter zero if applicable.) Danny may deduct travel expenses of $