A cell phone company charges $19.95 per month for the first 2G of data usage, then $5 per gig of usage over the initial 2G. Is this proportional linear relationship or non- proportional linear relationship?

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south