1 For the following questions, select the key term that best matches with the definition provided. - Any activity or process that satisfies a human desire directly or indirectly, presently or in the future - The input-output relationship between resources and their product - Inputs with which goods and services are produced - The total quantity of a product that is produced at each level of variable input use - The total value of output produced at each level of variable input use A. Total physical product B. Resource C. Production D. Production function E. Total value product