..(a) A, B and C in a particular day had produced 200, 250 and 300 pieces respectively of a product 'p'. The time allowed for production of 25 units of 'p'is hour and the hourly rate of wage payment is Rs. 8. Calculate for each of these three workers the following under Halsey Premium Bonus (50% sharing) and Rowan Premium Bonus Methods of Labour Remuneration. (i) Earnings for the day (8 hours per day), and (ii) Effective Rate of Earnings per hour