Can someone please help me in finding out the accurate answer from the following question. The synonymous words of marginal factor costs or marginal resource costs signify to the: (i) Cost incurred in generating an extra unit of capital. (ii) Cost to the resource owner of securing employment for resource. (iii) Additional cost included in hiring an extra unit of a resource. (iv) Modification in total cost related with the production of one more extra unit of output.