Qtext:

The following table shows three warehouses and four Markets $.$ Find total cost of transportation by NWCR and also by the Penalty method to assess the difference in costs $.$

$\backslash$table$[[,$M$1,$M$2,$M$3,$M$4,$Capacity$],[$W$1,2,2,2,1,3],[$W$2,10,8,5,4,7],[$W$3,7,6,6,8,5],[$Demands$,4,3,4,4,]]$