How much Ang Bao to pack for solemnisation ceremony?

There are few things to consider when deciding how much to pack for solemnisation ceremony, Following is a general guideline

Solemnisation in a hotel + Wedding banquet = Depending on the hotel, it should be between $120 to $160 for wedding dinner banquet for a 4 to 5 stars hotel. Sightly less for a wedding lunch

Solemnisation in a hotel + Wedding Buffet = Depending on the hotel, it should be between $80 to $120

Solemnisation at Exotic outdoor venue = It is hard to define but generally it should not be less than $100

Solemnisation at Restaurants = Same not less than $100