Final answer:
A 'Non-value-added activity' is one that consumes resources but doesn't add value for customers, and thus is considered waste and non-essential in business processes.
Step-by-step explanation:
The term that describes an activity that consumes resources but does not add value for which customers are willing to pay is b) Non-value-added activity. These activities do not increase the worth of a product or service to the customer and are often considered waste. Examples include excessive movement of materials, overproduction, and waiting time. Eliminating or reducing non-value-added activities can lead to a more efficient and cost-effective business process.