Which one of the following product types should you select if you want to create a product to quantify hourly work?

Selecting a service product type is appropriate when you want to quantify hourly work because service products in Dynamics 365 are specifically designed to represent activities or tasks that can be billed on an hourly basis, such as consulting or maintenance services. This type allows businesses to track the time spent on specific tasks and charge customers accordingly, effectively managing labor costs and billing processes.

Service products enable the organization to define service-related attributes, such as service categorization and pricing structures based on time spent. This approach helps in handling ongoing projects or contracted services where hours worked must be recorded, analyzed, and invoiced to clients.

In contrast, the other options do not align with the need to quantify hourly work. A product master typically relates to physical goods that have a defined inventory management process, product variants deal with items that have variations (such as size or color) under a single product, and items are an overarching category encompassing products or goods but not specifically designed for the hourly tracking of services.