Problem $3$:

Solve the following assignment problem shown in the table below using Hungarian method. The matrix entries are processing time of each labor to each machine in hours.

$\backslash$table$[[,$Labors,$],[,,$A$,$B$,$C$,$D$],[$Machines$,1,40,35,30,27],[2,27,25,40,23],[3,30,39,45,31],[4,45,44,25,36],[5,42,60,27,34]]$