Question $5$

In a Transportation Linear Programing problem the rows represent the operators, and the columns represents the jobs. You add a Dummy to the rows. What does the Dummy represents?

a$.$ The job is done by another operator

b$.$ The dummy does not have to do that job

c$.$ The job assign to the dummy is a job that is not going to be done.

d$.$ The dummy operator does not know how to do the job.