Commision Structure help
 

I need to make a commision sturcture up and it has to be linear.
I lack in the math department. So if anyone can help, please do so.

Earn 20% of Profit for up to $500

Earn 25% of Profit for between $501 and $800

Earn 30% of Profit for between $801 and $1100

Earn 35% of Profit for over $1101:helpme

Is that linear?

bizump.. anyone?

copy the structure from my company and just change the rates...
I guess its linear http://www.gamblingfederation.com/~8...h/3ways.html#1