During Dominque's first art lesson, her instructor was incredibly patient and was able to point out what she was doing wrong without embarrassing her. However, during her second class, her experience was different. The instructor primarily left Dominque to figure things out on her own. He actually lost his patience with her when she asked for help. Dominque's experiences during these two classes illustrate the $\_\_\_\_\_\_\_\_\_\_\_\_\_$ characteristic of services.

Question $4$ options:

intangibility

perishability

heterogeneity

inseparability $($simultaneous production and consumption$)$

divisibility