The assertion which unions are more powerful nowadays than ever before is: (i) Supported by the consequences of the union contracts on an inflationary spirals. (ii) Reflected in the growing proportion of workers included in violent, protracted and costly strikes. (iii) Contrary to the fact that a reducing proportion of the work-force is unionized. (iv) Explained by the growing persuade of unions in the national politics.
Find out the right answer from the above options.