Can someone help me in finding out the right answer from the given options. The synonymous words marginal factor costs or the marginal resource costs signify to the: (i) Cost incurred in generating an additional unit of capital. (ii) Cost to the resource owner of securing the employment for resource. (iii) Extra cost included in hiring the additional unit of the resource. (iv) Modification in net cost related with the production of one more unit of the output.