Transportation Problems

C$\mathrm{.}1.$ Supply Chain Manager Gabriela Valdez wishes the find the lowest cost shipping routes to ship from three source cities to three destination cities. Unit costs for each shipping route are in dollars.

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

Find the optimal solution to the transportation problem. Compute the total cost.