Problem # 4. Consider a four-station line in which all stations consist of a single machine. Station 2 has an average processing times of 5 hours per job, while the other stations have average processing times of 2 hours per job. Assuming that the production line is almost balanced, what happens to WIP, CT, and TH of this production line if we do the following? (a) If two, identical machines are added to station 2. (choose one: 1 decrease, increase, remain) Work in process: 1 Cycle time: J 1 Throughput: (b) If the machine at station 2 is speeded up to have an average processing time of 2 hours. (choose one) Work in process: + Cycle time: Throughput: (c) If the machine at station 1 is speeded up to have an average processing time of 1 hour. (choose one) Work in process: + Cycle time: Throughput: 1