Find the Minimum Cost Solution for the Transportation Problem Detailed

Essay

Find the minimum cost solution for the transportation problem detailed in the table below.
$\begin{array}{|l|r|r|r|r|}\hline \text { COSTS } & \text { Dest 1 } & \text { Dest 2 } & \text { Dest 3 } & \text { Supply } \\\hline \text { Source 1 } & 18 & 12 & 5 & 20 \\\hline \text { Source 2 } & 10 & 14 & 12 & 30 \\\hline \text { Source 3 } & 9 & 11 & 15 & 75 \\\hline \text { Demand } & 40 & 30 & 55 & 125/125\\\hline \end{array}$
Before your solution can be implemented, you discover that the combination Source 3 - Destination 1 is unavailable, due to political turmoil in the country where Source 3 is located. Solve the revised problem. How much is cost increased by this complication?