Find the appropriate word and fill blank (iv).

Directions: Complete this passage by selecting the most suitable option for the corresponding gap.

Quality of working life largely depends upon _____(i)______ wages and salary, _____(ii)_______ benefits, job security, job satisfaction, though any one of these alone is not enough. Employees feel _______(iii)______ after performing the same routine job over a period of time. ________(iv)______ in work schedules, worker’s participation in management, free lunch schemes can be some of the factors leading towards quality of working life.