The starting solution using the intuitive$$ lowest$-$cost method$$ is:

Part $6$

$($Note: You must enter a shipment in every$$ cell, even if the shipment is$0.)$

To

From

Los Angeles

Calgary

Panama City

Supply

Mexico City

$$$$6$

$$$$18$

$$$$8$

$120$

$$

enter your response here

$$

enter your response here

$$

enter your response here

Detroit

$$$$17$

$$$$13$

$$$$19$

$70$

$$

enter your response here

$$

enter your response here

$$

enter your response here

Ottawa

$$$$20$

$$$$10$

$$$$24$

$50$

$$

enter your response here

$$

enter your response here

$$

enter your response here

Demand

$80$

$100$

$60$