(25 Marks) You are a project manager charged with redesigning a product and its packaging. Using the information in the Table below, do the following: a) Construct a CPM network for the project b) Compute the ES, EF, LS and LF times for each activity c) What is the critical path or the project? How long will it take to complete? # Activity Duration (Weeks) Predecessor(s) 1 Redesign product 6 2 Design new packaging 3 Obtain materials for 3 redesigned product 4 Obtain materials for 2 2 new packaging 5 Make redesigned 4 3 product 6 Make new packaging 4 7 Package redesigned 5.6 product 8 Test-market redesigned 6 7 product 9 Revise redesigned 3 8 product 10 Revise new packaging 8 11 Launch revised product 9.10 and packaging