Find an initial solution to the following transportation problem for Supply Chain Manager Gabriela Valdez.

$$

To

From

Los Angeles

Calgary

Panama City

Supply

Mexico City

$$$$6$

$$$$18$

$$$$8$

$160$

Detroit

$$$$17$

$$$$13$

$$$$19$

$90$

Ottawa

$$$$20$

$$$$10$

$$$$24$

$70$

Demand

$140$

$80$

$100$

Part $2$

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