Q3. Al Rafa International provided following information. The three basic processes of garment production are cutting, sewing and pressing. According to the Labour department there are 10 sewing operators, 5 cutting operators and 8 pressing operators, the Standard rate per hour for operators is OMR 25, Normal rate per hour is OMR 30, Normal rate per unit is OMR 20, Working hours per day are 8 hours, Standard Output per hour is 135 units. Five workers Khalid, Rashid, Ahmed, Khamis and Nasir were engaged in the work of cutting and receives earnings by using Merrick Differential Piece Rate System. The Output is as follows Khalid 995 units, Rashid 520 units, Ahmed 900 units, Khamis 1020 units and Nasir 1140 units. a) Calculate the earnings of all the five workers of cutting operators. (6 Marks) b) Identify which of the worker performance is less than 75% among all. (1 Marks)