That is correct. or at least what i would put
Answer:No because Sandy is at will employee
Explanation:
Employment at will refers to the fact that an employer could terminate an employee with no reason given or warning or an employee can leave their work for no given reason at all.
In this case no one owns anyone an explanation both employer and employee provided that it wasn't cases of using unreasonable factors such as gender or race.
Sandy has decided to quit her job at her own will and the employer decided to terminate her employment at their own will so she can not expect any further salary from her employer.
C) they helped to create the idea of a Christmas shopping season.