I have a problem in economics on Marginal factor Costs. Please help me in the given question. The synonymous words marginal factor costs or marginal resource costs signify to the: (i) Cost incurred in generating an additional unit of the capital. (ii) Cost to the resource owner of securing employment for resource. (iii) Additional cost included in hiring the additional unit of a resource. (iv) Modification in total cost related with the production of one more unit of the output.
Choose the correct option from the above.