Q3. Nizwa Garment Industry workers produce trousers. 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 11, Normal rate per unit is OMR 9, Working hours per day are 8 hours, Standard Output per hour is 120 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 200 units, Rashid 400 units, Ahmed 600 units, Khamis 800 units and Nasir 1,000 units. You are required to calculate the earnings of all the five workers of cutting operators and also identify which of the worker performance is less than 70% among all.