a. How many workers are needed at each stage if management wants a utilization of at least 80 percent? Round your answers up to the nearest whole number. Stage A: Stage B: Stage C: Stage D: Stage E: workers workers workers workers workers b. Suppose that the number of workers at each stage are as follows: What is the output rate at each stage? Round your answers to the n Stage A: units/hour Stage B: units/hour Stage C: units/hour Stage D: 3 units/hour c. Where is the bottleneck in this process? The bottleneck is