Murabaḥah is a term for a sales contract where the buyer and seller agree on the markup (profit) or "cost-plus" price for the item(s) being sold, which covers the cost of what?
Markup (business) Markup is the ratio between the cost of a good or service and its selling price. It is expressed as a percentage over the cost. A markup is added onto the total cost incurred by the producer of a good or service in order to cover the costs of doing business and create a profit. The total cost reflects the total amount of both fixed and variable expenses to produce and distribute a product. Markup can be expressed as a fixed amount or as a percentage of the total cost or selling price. Retail markup is commonly calculated as the difference between wholesale price and retail price, as a percentage of wholesale. Other methods are also used.
Wudu Wuḍūʾ (Arabic: الوضوء‎ ‎ "al-wuḍūʼ " ] ) is the Islamic procedure for washing parts of the body, a type of ritual purification. "Wudu" involves washing the hands, mouth, nostrils, arms, head, and feet with water, and is an important part of ritual purity in Islam. What activities require "wuḍūʾ", what rituals constitute it, and what breaks or invalidates it are governed by "fiqh" (Islamic jurisprudence) and specifically its rules concerning hygiene.