What is the most logical next event?

How to tip in a foreign country 
Leave a 15 to 20% tip in restaurants. 
You may include more for exceptional service. Do not feel compelled to give a tip if your service was bad.

OPTIONS: *The remainder will be set aside for entertaining friends and family. Add a 25 to 30% tip in credit cards.; *Tip cab drivers 10 to 15% of your fare. Give bellhops 1 or 2 dollars to carry luggage to your hotel room.; *Fortunately, tipping is not a necessary part of your job description. Pack your cell phone with earplugs or wireless headphones.; *Know that the tipping fee will vary. While it may sound like pretty wasteful, it can be cheaper and more efficient to pay a small tip.;
Tip cab drivers 10 to 15% of your fare. Give bellhops 1 or 2 dollars to carry luggage to your hotel room.