Final answer:
Derived demand is the projection of future demand based on a past relationship between an organization's employment level and a variable related to employment, such as sales.
Step-by-step explanation:
The projection of future demand based on a past relationship between the organization's employment level and a variable related to employment, such as sales, is known as derived demand. This concept is used in economics to describe the relationship between the demand for labor and the demand for the firm's output.