How long does it take for Indonesians to go toilet?

I overheard one of my staff asking this question.
Girl: "How long does it take for Indonesians to go toilet?"
*cold sweat* when you hear such questions from your staff.
Boy: "I dont know, 10 minutes?"
Girl: "Do you think 10 minutes is enough?"

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What kind of question is THAT?????
*roll eyes*