$($b$)[5$ Points$]$ Find a feasible plan using the Northwest Corner Method. What is the cost of this plan?

$\backslash$table$[[$From$/$To$,$Dest $1,$Dest $2,$Dest $3,$Dest $4,$Total Supply$],[$Plant $1,$S$1$s$,515,$s$12,$s$11,130],[$Plant $2,510,$S$16,57,523,80],[$Plant $3,519,58,$$$13,524,105],[$Total Demand,$80,75,90,65,]]$

Cost of plan: $q,$

$($c$)[4$ Points$]]$ Find a feasible plan using the Intuitive Lowest Cost Method. What is the cost of this plan?

$\backslash$table$[[$From$/$To$,$Dest $1,$Dest $2,$Dest $3,$Dest $4,$Total Supply$],[$Plant $1,$SIA,$515,512,$s$11,130],[$Plant $2,\frac{s10}{519},516,57,523,80],[$Plant $3,519,58,513,524,105],[$Total Demand,$80,75,90,65,]]$

Cost of plan: