Markup = “Marge brute” = Selling price – Cost price
Markup rate = “Taux de marge” = (Selling Price – Cost price) / Cost price
Selling price = Cost price * Markup rate + Cost price
Profit margin = “Taux de marque” = (Selling price – Cost price ) / Selling price
Profit margin = Markup rate / (1 + Markup rate)