A cab company charges $12 per mile for a lift to the airport.

What change would the company make to their charges to make this a non proportional situation?

(1 point)

No changes are needed

Charge $4 per mile instead of $12

Charge $15 per mile instead of $12

Charge a flat rate of $20 and then $12 per mile

The company would need to charge a flat rate of $20 and then $12 per mile to make this a non-proportional situation.