Which is part of the value proposition of a service?

Costs are the amount of money spent on a specific activity or resource. From the service consumer’s perspective, there are two types of cost involved in service relationships:

Costs removed from the consumer by the service (a part of the value proposition). For example, for a car sharing service, the customer does not pay for the actual cost of purchasing the car.

https://www.bmc.com/blogs/itil-key-concepts-service-management/