Vineeta works for a reputable company headquartered in San Francisco. There is mutual understanding between the company's management and Vineeta about her functions in the company and her compensation. Vineeta clearly understands her roles and responsibilities in the company and the expectations of her superiors. She is also aware of the rewards she will receive from the company in return for her services. The given scenario most likely illustrates the concept of $\_\_\_\_\_.$

a$.$ organizational citizenship behavior

b$.$ psychological contract

c$.$ continuance commitment

d$.$ job enrichment