Find an initial solution to the following transportation problem

To

From Los Angeles Calgary Panama City Supply

Mexico City $$6$ $$18$ $$8160$

Detroit $$17$ $$13$ $$1990$

Ottawa $$20$ $$10$ $$2470$

Demand $14080100$

The starting solution using$$ northwest$-$corner method$$ is:

Part $3$

$($Note$$a$)$ The total cost of the initial solution developed using the$$ northwest$-$corner method$=$$

$$

enter your response here.

Part $5$

The starting solution using the intuitive$$ lowest$-$cost method$$ is:: You must enter a shipment in every$$ cell, even if the shipment is$0.)$

b$)$ The total cost of the initial solution developed using the intuitive$$ lowest$-$cost method$=$$

$$

enter your response here.

Part $8$

$$c$)$ The total cost of the optimal solution$=$$

$$

enter your response here.