The 20% gratuity is pretty standard, but a delivery fee of 22% of the total food and beverage bill seems quite steep. In fact, I'm much more accustomed to seeing a standard delivery charge of say $5.00 or so, rather than a charge based on a percentage of the meal costs, even at 4 and 5 star hotels and resorts in the US. Maybe this is an indication that the lodging industry has concluded that room service is another "underexploited" profit center that will now be mined for all it's worth.