Danny owns an electronics outlet in Dallas. In 2021. he paid $660 to register for a four-day course in management in Chicago, Danny paid $740 in airfare. After the course, Danny spent the last day sightseeing. During the trip, Danny paid $152 per night for five nights lodging, $260 per day for meals in restaurants, and $200 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 $