Jamal is using markup percentage to calculate the cost of production and add a percentage.
When the company provides either goods or services, there are factors that need to be considered during pricing. These factors include the profit the company wishes to generate, cost of production and many more. Markup is the difference between goods or services selling price and the its original cost and it is represented as a percentage.
The markup provides the manufacturer or service-provider with profit since it is the amount added to total cost of the goods or services. The significance is to ensure that the company can make a decent gross profit.