Answer:
D
The throughput time of the system is 35
Explanation:
When we talk of the throughput time of a system, we are referring to the total time utilized from the start of the job to the end
So to calculate the throughput time of this system, we simply need to add all the hours of work together (proceeds time)
That would be; 5 + 9 + 4 + 9 + 8 = 35