Answer:
consumer demand for the firm's product.
Step-by-step explanation:
Derived demand is demand for a good or service as a result of the demand for another good and service. The demand for labour and factors of production is an example of a derived demand.
In order to produce a good or service, there is need for factors of production. Labour is one of the factors of production. Goods would only be produced as a result of people demanding for the good. If there is no demand for a good, firms would not produce the good and as a result there would be no need to demand for labour to help in producing the good