Murabaah is a term for a sales contract where the buyer and seller agree on the markup, the ratio between the cost of a good or service and its selling power.
Murabaah, murabaa or murbaah (Arabic:   , derived from "ribh" Arabic:   , meaning profit) is a term of "fiqh" (Islamic jurisprudence) for a sales contract where the buyer and seller agree on the markup (profit) or "cost-plus" price for the item(s) being sold. 
Markup is the ratio between the cost of a good or service and its selling price. 
