White Water Fun Park is planning to add another ride which consists of three main parts A, B, and C. The manager anticipates that it will take 14 days to receive the material. It should then take 7 days to assemble the components of part A which is then to be tested separately, which will take 3 days. It should take 6 and 4 days to

complete the assembly of the components of parts B and C, respectively. Then, parts B and C have to be assembled (2 days) and attached to part A (5 days). The completed ride has to be tested for 21 days before it can be opened to the public. Draw the project network (A) and determine the critical path. Suppose on day 18 the project progress is evaluated, and the following report has been generated. Assembly of part A is on time, part B will be ready 2 days early, part C will be ready a day late. Will the critical path remain the same? If not, find the new critical path.

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TABLE 7.12 Activity and Resource Data for Exercise 7.11 Duration Activity Predecessor (Days) ABCD A A B, C 3 427 Resource Requirement (Type 1, Type 2) 0,3 2,1 1,1 5,2