10-15% is fine, depending on your total bill amount. if it is under 50/QR then make it between 10-20%; and if it is higher than 50/QR, then around pay 10%.
10-15% is fine, depending on your total bill amount. if it is under 50/QR then make it between 10-20%; and if it is higher than 50/QR, then around pay 10%.