Scarcity occurs when the demand for something exceeds the supply. Examples often occur with natural resources when they are over used. Think of over fishing, hunting or poor farming. The choice to over hunt in present may cost hunting opportunities in the future.
Thirdly, storage of services is not possible, as services are consumed when offered to a customer.
Answer: Option 3.
<u>Explanation:</u>
Perishable is a feature where a good or service can not be stored for long. They might get hampered and do not remain like their original self if they are stored.
Services have a perishable nature in the sense that they can not be stored like some of the goods which can be stored. The services are to be consumed then and there at the moment when they are offered to the customers. They can not be kept reserved.
