4. Consider the network diagram given in Figure with the indicated flow capacities along each branch. 8 3

Why might an airline choose direct flights rather than hub and spoke? 3 reasons with explications

Answer correctly on excel and show workings

The north-south highway system passing through Albany, New York can accommodate the capacities shown in the table below.   From To Capacities 1 2 3 1 3 6 1 4 3 2 4 2 2 5 4 3 4 3 3 6 2 4 2 2 4 3 3 4 5 2 4 6 3 5 2 4 5 4 2 5 6 6 How many units go from Node 1 to 3 and 4 to 2, respectively, in order to maximize the flow.    a. 5 and 1.   b. 5 and 2.   c. none of the answers proposed apply   d. 6 and 1.   e. 6 and 2.