In Japan, it's called kuroi kiri (black mist), in Germany, it's schmiergeld (grease money), Mexicans refer to la mordida (the bite), the French say pot-de-vin (jug of wine), and Italians speak of the bustarella (little envelope). To which still-popular but potentially unethical business practice do these terms refer?
Answer: Providing buyers with "gifts" to secure business