$5-22.$ Compare the starting solutions obtained by the

northwest$-$corner, least$-$cost$,$ and Vogel methods for each of

the models in Table $5\mathrm{.}33$

$($For $($b$)$ only in Table $5\mathrm{.}33)$

Table $5\mathrm{.}33$ Data for Problem $5-22$

$($b$)$

$5-23.$ Consider the transportation models in Table $5\mathrm{.}34.$

a$.$ Use the northwest$-$corner method to find the

starting solution.

b$.$ Develop the iterations that lead to the optimum

solution.

For $($ii$)$ in Table $5\mathrm{.}34.$

Table $5\mathrm{.}34$ Transportation Models for Problem $5-$

$23$

$($ii$)$