Final answer:
The additional cost incurred as a result of utilizing one more unit of a variable resource is called the marginal resource cost.
Step-by-step explanation:
The additional cost incurred as a result of utilizing one more unit of a variable resource is called the marginal resource cost. Marginal resource cost refers to the change in total cost resulting from a one-unit increase in the quantity of a variable resource used.
For example, let's say a company produces shoes. If they hire one more worker to increase their shoe production, the additional cost incurred to pay the worker's wages would be the marginal resource cost.