critical path method is an improvement upon bar chart method

critical path method provides a realistic approach to the daily problems

critical path method avoids delays which are very common in bar chart

all of the above.

a project is divided into various activities

required time for each activity is established

sequence of various activities is made according to their importance

all of the above.

early finish

early start

late start

late finish

high initial investment for the specialized facilities

skilled labour to operate machines

production time is longer, requiring more goods in inventory

high cost of inspection

job production

automatic production

continuous production

intermittent production