help please!

Create PERT chart. Evaluate project completion time in days. Identify critical path.

In Class Exercise DURATION (DAYS) PREDECESSOR TASKS TASK | DESCRIPTION Develop Plan Assign Tasks Obtain Hardware Proprammin Install Hardware Program Test Write User Manual Convcrt Filcs ystem lest User Training User Test 70 30 25 20 25 20 25 6 7,8 9,10