Carbon minoxide detectors

Britt lost his best buddy at school due to Carbon minoxide poisoning.  He wants to make sure everyone in his class gets one and his teacher.  He said he does not want to loose another friend from this again.  Please help us help him to be able to buy 23 carbon minoxide dectors.  Any amount over $550 will go to more carbon minoxide dectors for the rest of the families in the school to have one in each home.