I work for a start up and we currently categorize our trade show/event tickets and registrations as marketing expenses under a category of the same name "trade shows & events." My finance team would like to confirm that that is the most appropriate place to categorize these expenses. In my research I've seen that conferences can be booked to professional development, but are our trade shows and events being categorized to the right place? We're trying to track our marketing budget and these tickets can take consume a big portion of that budget. Is it beneficial to separate marketing shows and sales shows or are they considered the same thing?