Now 2.5% might not sound like a lot, but this isn't of income, this is of wealth. The fourth pillar is the notion of fasting dawn to dusk during the ninth month of the Islamic calendar, and that month is Ramadan. And it's fasting without food or water, once again, from dawn to dusk. And the Islamic calendar is a lunar calendar. And the notion of a month, in fact, in English, it comes from the word moon, because it's referring to a full cycle of the moon. Now the end of this month ends with the Eid al-Fitr, which is the festival of breaking the fast, which is considered one of the two major holidays in Islam. Now the fifth pillar of Islam is the notion of pilgrimage to the Kaaba during the 12th month.