Answer:
The correct word for the blank space is: Inconsistency.
Explanation:
In an attempt of making a service into a product, we can identify four (4) characteristics those services must meet: intangibility, inconsistency, inseparability, and inventory. The inconsistency characteristic refers to services being different one from another because they are provided by people which implies even if the service might be standardized the way it is provided will not always be the same.