1.A worker takes 6 hours to complete a job under a scheme of payment by results. The standard time allowed for the job is 9 hours. His wage rate is Rs.15 per hour. Material cost of the job is Rs.120 and the overheads are recovered at 15% of the total direct wages. Calculate the factory cost of job under A] Rowan and B] Halsey system of incentive system.
2. Calculate the earnings of workers A, B and C under the Straight Piece Rate System and Merrick’s Differential Piece Rate System from the following particulars.
Normal rate per hour: Rs.5.40
Standard time per unit: 1 minute
Output per day is as follows.
Worker A – 390 units
Worker B – 450 units
Worker C – 600 units.
Working hours per day are 8