a$.$ How many $($parallel$)$ workstations will be needed for each task? b$.$ What percentage is idle time in process of workers?

$4.$ A cheese processing plant has several tasks that need to be done as listed in the following table with time for each activity and precedence relationships. The line works $5$ days a week, for $8$ hours each day. The plant provides cheese to several supermarket chains at a rate of $600$ lbs per week.a$.$ How many $($parallel$)$ workstations will be needed for each task?

b$.$ What percentage is idle time in process of workers?

A cheese processing plant has several tasks that need to be done as listed in the following table with

time for each activity and precedence relationships. The line works $5$ days a week, for $8$ hours each

day. The plant provides cheese to several supermarket chains at a rate of $600lbs$ per week.