a) Pen Group (M) Sdn. Bhd, plans to set up rotor yarn production system of 100% cotton fibre at their new Perang plant. The new facility is expected to manufacture 250,000 kg of 30's yam size in one week. The short staple fiber is purchased at RM8.50 per pune and polyester at RM2.50 per pound. The complete processing waste parameters are listed in Table 1. Determine the rotor yam cost required for one (1) weak production Table 1 Process Cotton waste (5) Polyester waste (6) Receiving 0.25 0.5 Opening 1.3 1.7 Carding 2.85 1.3 Drawing 1 0.93 0.9 Drawing 2 0.98 Raving 0.83 0.87 Ring Spinning Rotor 0.7 0.3 Winding 0.3 0.15 (3 marks) b) Gamma Industry plans to manufacturering spun products at 550 kg.hr of 30 Tex yar on ring frames with 30 and 45 mm ring diameter. If the spindle speed is 12,750 rpm twist factor 35 turns.cm ex afficiency 93% and 425 spindles per machine determine which ing diameter gives the most economical labor cost, in kg hour. The operator pay rate is RM0.55 per package, 385 packages per hour and the maximum package weight is 35 grams. One operator looks after 1400 spindles c) Bets Industry has upgraded its air humidifier system for more efficient yarn processing, The new system however resulted in power rate increase at 5.5 cents per kwH Determine the power cost in Ibs min for a spinning frame i Gamma Industry plans to manufacturering spun yarn at 5500 lbs.hr rate. A ring spinning frame has 475 spindles, produced 275 lbs.hr' and currently recorded electrical consumption at 85 kwH for 130 spindles 13 marks)