Question: Alpha Computers has constructed the network diagram below to launch a marketing campaign. Each number represents the number of days each activity is estimated

Alpha Computers has constructed the network diagram below to launch a marketing campaign. Each number represents the number of days each activity is estimated to take. A 3 2 D4 B 12 E 5 F 3 5 6 Using the data in the network diagram above, calculate the earliest start times (EST) and latest finish times (LFT) for each activity and identify the critical path. (4)

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