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.
Decennial liability Decennial liability insurance or "Inherent Defect Insurance" is insurance that is taken out (by the contractor or principal) to cover costs associated with the potential collapse of the building after completion. The names derives from the fact that it covers the 10 year period after completion of the project. It is compulsory to insure in a few countries such as France, and Egypt. In other countries like Qatar there is the form of strict liability arising from the French Civil Code which does not require any proof of fault, but there is no compulsory requirement to insure The cost of the insurance can significantly increase construction costs and may be up to 1.5% of structural value (including the Technical Inspections that the insurers mandate).