I do not know about here, but back home in India, 68 M would be so juicy for someone in the organizing chain to not take a cut. People get fired all the time, but sometimes the gravy train can run for years before getting caught.
No first hand experience ... just anecdotes and some news reports.
it included flights, hotels, food and travel expenses for 9000 for multiple days, as well as the "party".
US-based travel for 1 person for 5 days is easily 4K, on top of that some people were probably international so it would be higher, and on top of that there are the "party" expenses like venue and catering which probably wasn't that significant.