I would like to know how to set this up and how you find each path and how to find es,ls,ef,lf,and st

ABC Manufacturing Co. Ltd. plans to double its current capacity in its motor casing production line. Th capacity expansion project requires 14 different activities as summarized below. 1) Find the critical path and the total project duration. (5) 2) Find early start, late start, early finish, late finish, and slack time for every activity (15)