Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 1 year ago

You can ask the persons concerned if there is no harm on you. If there is no one at all to inform you about the exact or approximate amount, then you should estimate and pay according to your estimate.

Wassalam.