25. 4 point(s) An equipment operates 5 days a week in a three shift system with 8 hours per shift. When the machine operates, it produces 100 pieces per hour. 10% of its time is devoted to maintenace and changeover activities. One week, the actual output of the machine was 3000 pieces. The theoretical capacity of the equipment is 12000. What is the efficiency of the equipment? o (no answer) 25.38 27.78 29.38 43.78 45.38 47.78 49.78 51.78