'Process Scheduling Shortest Remaining Time (SRT)

I need some confirmation as to which of these 2 answers are the correct ones, as both can be viewed as correct for Shortest Remaining Time (SRT)

Process    ArrivalTime    ServiceTime
A             3                1
B             1                8
C             6                4
D             6                2
E             7                3

1st Ans: Time 1-2:B, 3:A, 4-5:B, 6-7:D, 8-10:E, 11-14:C, 15-18:B

2nd Ans: Time 1-2:B, 3:A, 4-5:B, 6-7:D, 8-10:E, 11-14:B, 15-18:C

At time 6, B just completed its 4th process, with C and D in queue. Since D, only has 2 service time, it will go ahead of B and C. My question is, after clearing process E, both B and C now has service time of 4 remaining. Which should go first, B or C, and why?

processscheduling


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