Problem 3 : CPM/PERT Using CPM/PERT find the minimum number of days to finish the project. For each activity find out the earliest start and finish time as well as latest start and finish time. Activity Predecessor Duration(Most Likely) A Each week consists of 7 days B A D E C,D 13days 13 days 4 days 1 Week 4 days 1 Week 2 days 2 Days 2 Weeks 2 Weeks F E G E H F 1 D J A,B Drav Problem 4: Assignment Problem Programmer Program11 Program 1 Program 2 Program 3 Program 4 Programs Program G Roy 15 15 19.5 15 15 15 Amy 9 8 20.5 6 28 8 John 16 20 13 5 21 20 Jack 5.5 19 16 5.5 9 19 Mary 12 12 12 12 12 12 Mark 22 12 12 12 12 12 Linda 12 12 22 12 12 12 Pro Inc. assigns programmers to develop programs. Assignment of a programmers to a program incurs cost which is given in the table above. Find out which assignment of the programmer to program will incur minimum cost. There are certain situations we need to take into account while we are doing the assignments. Firstly, each program needs at least 3 programmers working on each program. Secondly, Roy and Mark cannot work on more than three projects. Thirdly, Jack has mentioned that he wants to work on either program 4 or 5. Fourthly, Mary wants to work on at least 4 programs. Finally, program requires the expertise of Linda