You can
put this solution on YOUR website!Let

= yearly sales
We equate both offer:
12600+2%(x)=8%(x)

-------------> the yearly sales should not exceed this much if you want to choose PLAN 1 (w/ 2% commission). IF sales go over $210,000, then plan 2 (w/ 8%) is a better choice --- MORE MONEY. Try $220,000? $250,000? You'll see.
Thank you,
Jojo