Omatic Tech Ebike is producing wheels for a 3 wheeled e-bike at the rate of 2 pcs/hr/worker. At present, the company has 18 workers equally distributed 3 shifts of 6am to 2pm, 2pm to 10pm and 10pm to 6am, with 45 min break per shift. The worker-machine ratio is 1:1. The company has 8 machines available at any given time. They operate 5 days per week. There is 4 weeks in a month What can you recommend to ensure delivery of the e bikes on time? (5 pts) Select one: O a. Ensure that preventive maintenance is properly scheduled O b. Monitor closely the operations O c. Motivate employees O d. All of the above