Wages prevalent in the market for a certain service.
Al-waqf al-‘amm
Al-dhira al-Umariyah
Al-bai‘ al-mabrur
Al-bai‘ al-nafidh
Al-bai‘ al-najiz
Nazir al-awqaf
Shirkah al-taqbil
Shirkah wa mudarabah
Al-ma'adin al-batin
Rate of Mudarabah