21.Which of the following incentive pleasures a part of the swing to the worker and rest to the employer

22.Replacement studies are made on the fol-lowing basis:

23.Which of the following depreciation system ensures that the interest be charged on the cost of machine asset every year on the book value, but the rate of depreciation every year remains constant

24.If a worker gets a daily wage of Rs HA, then according to Rowan plan, his maximum daily earnings can be