The term 'Amount to Pay' refers to the total sum of money that is owed for a particular service or product. This amount can be broken down into three components: FEE, PRICE, and COST. A FEE is a fixed charge for a service, such as a lawyer's FEE. PRICE is the amount of money charged for a product, such as the PRICE of a car. COST is the total expenditure required to produce a product or service, such as the COST of materials and labor. Together, these three components make up the total amount to pay.