mark·up 
/ˈmɑɚkˌʌp/ noun
plural mark·ups /ˈmɑɚkˌʌp/ noun [count] : an amount added to the price of something : the difference between the cost of producing something and its selling price
▪ The retail markup on their products is 25 percent. ▪ selling used cars at high markups — see also mark up at 2mark
▪ The retail markup on their products is 25 percent. ▪ selling used cars at high markups — see also mark up at 2mark
