$2500 is the cost to kill in the Marines.Files Contradict Account of Raid in Iraq - New York Times: "The list of 15 victims deemed to be noncombatants was put together by intelligence personnel attached to the battalion, Major Hyatt said. Those victims were related to a Haditha city council member, he said. The American military sometimes pays compensation to relatives of civilian victims.
The relatives of each victim were paid a total of $2,500, the maximum allowed under Marine rules, along with $250 payments for two children who were wounded. Major Hyatt said he also compensated the families for damage to two houses."