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Restaurant
in the US, Mexico and Canada are also struggling. Tips make up most of their
. Workers at
in the US can earn as little as $2.13 per
. They rely on diners to tip. Without tips, staff may not earn enough
to live on. A lot of staff say it is
to survive in the hospitality
without tips. In many host cities, restaurants have
added tips to their bills. Restaurant owners say the
is that many international visitors are unaware of the tipping custom. Some restaurants have asked staff to politely explain the
for tipping in North America.