Table J.3 Six Jobs Have Just Arrived at Workstation 017;which Has Been

Multiple Choice

Table J.3
Six jobs have just arrived at workstation 017;which has been idle.All the pertinent data are given in the following table.The shop works eight hours per day.It is now time zero.

-Use the information in Table J.3.If the critical ratio rule is used,what is the average past due?

A) fewer than or equal to 1 hour
B) greater than 1 but fewer than or equal to 4 hours
C) greater than 4 but fewer than or equal to 6 hours
D) greater than 6 hours