Match the following.

List-I (Concepts of Labour)	List-II (Relevant Themes)
a. Commodity concept of labour	1. Labour regarded by the employer largely as operating organisations in industry
b. Machinery concept of labour	2. Labour has right to be consulted in regard to the terms and conditions under which they are supposed to work
c. Goodwill concept of labour	3. Labour is affected by the law of supply and demand
d. Citizenship concept of labour	4. Paternalistic approach towards labour by the employers

A. a-3, b-1, c-4, d-2

B. a-2, b-4, c-3, d-1

C. a-4, b-3, c-1, d-2

D. a-1, b-3, c-2, d-4

Answer: Option A