Riba equal quantities of the same kind of commodity ("like for like") — for example 100 kilograms of wheat for 100 kg of wheat — in a riba-free transaction called for by quoted ahadith. Or how "divine law" could prescribe that a jeweler — "who has spent his time and effort to convert gold into jewelry" and is taking gold as payment — not be compensated? M.A. Khan also notes that the authors of the IIIE blueprint have no objection to traders selling higher purity/quality commodity for cash and using the proceeds to buying more less purity/quality commodity, and wonders what
Purity test "the form of twenty very personal questions, designed to determine the state of their morals and their 'purity ratio'. For example, so many marks are lost for smoking, drinking, and every time the sinner kisses a girl or boy. Then, after truthfully answering all the questions, the total number of bad marks are added up and subtracted from a hundred. What is left, if any, is the 'purity ratio'. The test is unofficial and just what it will prove when completed nobody knows." Alan Dundes, a professor of anthropology and folklore at the University of California, Berkeley, and Carl R.