What are the available services for specific product purchases that customers can choose called?

The correct choice refers to available services that enhance or complement a customer's purchase, allowing them to personalize their experience or the product itself. Add-on services are typically additional offerings that a retailer provides in conjunction with a primary product purchase. These can include warranties, installation services, extended services, or other enhancements that improve the overall value or functionality of the purchased item.

When customers consider a product, they often look for services that can be paired with that product to meet their specific needs or preferences. For example, when someone buys a computer, they might opt for additional support or software packages, which reflects the concept of add-on services.

These services are designed to encourage customers to enhance their purchase, thereby increasing satisfaction and providing additional revenue for the retailer. The term "add-on" specifically implies that they are not essential to the main purchase but rather enhance the overall experience or utility of the product.

In contrast, other types of services mentioned do not capture this concept as effectively. Upgrade services generally relate to improved versions of a product, customization services involve modifying a product specifically to a customer's preference, and supplemental services often imply secondary support but may not focus specifically on consumer choice related to a product purchase. Therefore, 'add-on services' most accurately describes the