Expanding on the previous problem, there is a third possible approach for finding the project length and the critical path. We already stated that the critical path is the longest path from the Start node to the Finish node. Using the same approach that we used in Chapter 5 to find the shortest path through a network, find the project length and the critical path for the LAN project. (Hint: The only necessary modification to the shortest path method is to maximize, not minimize.)