First, find the initial solution by using the northwest corner method. Second, use the stepping$-$stone method to find the optimal solution. Compute the total cost.

$\backslash$table$[[$COST$,$Los Angeles,Calgary,Panama City,Supply$],[$FromlTo$,$$$6,$$$18,$$$8,100],[$Mexico City,$$17,$$$13,$$$19,60],[$Detroit$,$$$20,$$$10,$$$24,40],[$Ottawa$,50,80,70,2001200],[$Demand$,,,,]]$

Please submit your answers to the second example of the Transportation Model, Here.