Answer:
B
Step-by-step explanation:
A nondurable good is a product that typically lasts for less than three years. An example is food.
A durable good is a product that typically lasts for more than three years. An example is furniture, laptop.
The demand for services is dependent on time. After a period, the service may no longer be needed. For example, consider the demand for the services of a firefighter when a building is on fire. the demand for the firefighters is only needed for the duration that the building is on fire. After the fire has been put out, there would be no need for firefighters