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Nicolaus Copernicus devised the first comprehensive Sun-centered model.
Cost
The amount of money required to purchase something or the expense associated with creating a product or service.
Mark-up
The extra sum included in the goods' selling price to cover both overhead expenses and profit.
Selling Price
The amount of money for which a product or service is sold to a customer.
Cost
The amount of money required to purchase something or the expenditure incurred on the production of a good or service.
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