Slack represents the difference between the___________________?

Slack represents the difference between the___________________?

A. latest allowable time and the normal expected time
B. latest allowable time and the earliest expected time
C. proposed allowable time and the earliest expected time
D. normal allowable time and the latest expected time
E. project initiation tune and actual starting time

String diagram is used_________________?

String diagram is used_________________?

A. for checking the relative values of various layouts
B. when a group of workers are working at a place
C. where processes require the operator to be moved from one place to another
D. all of the above
E. none of the above