First is pricing, process whereby a business sets the price at which it will sell its products and services, and may be part of the business's planing to receive profit. and example of it is a product being $9.99, and $10.00, a consumer want care or notice the small difference of the price that is set.
Next is the Add-on Purchase, is the Selling of a additional goods or services to a buyer of the firm's main goods or services. This could be selling a a house alarm to your house, or buying a phone case for your