Heavy Eyes Inc. manufactures custom pillows. Five jobs are waiting to be processed using the SPT priority rule. Their processing times are shown in the following table. What is the mean flow time?
Job Processing TimeA 6
B 2
C 10
D 8
E 1
a) 57 days
b) 11.4 days
c) 17 days
d) 5.4 days
e) 27 days
Answer: d) 5.4 days
Solution: 6+2+10+8+1=27/5=5.4