Propecia rebate how many can you get?

[calgary2800]

I bought 1 years worth of Propecia and mailed in the 25 dollar rebate form. Well today I got a 4 checks for 25 bucks. Did they give me too much or is it 25 dollars for every 90 day supply you buy from them?

http://www.perksprogram.com/propecia_us ... /index.jsp