The cost of natural gas saved in 2006 $âs is $5,346. Payback period = $5,346 / yr$81,889 Simple Payback = 15 years However, itâs reasonable to assume that the price of natural gas would increase during the life of this system.
One hundred police officers have died nationwide so far in 2015 while in the line of duty, up 15 percent from this time last year, according to the National Law Enforcement Officers Memorial Fund, a nonprofit law enforcement information clearinghouse. Of those 100, 31 were gun-related fatalities.
Add in the officers who died in the line of duty from other causes -- traffic accidents, for example -- and the figure rises to 102 so far this year, according to the National Law Enforcement Officers Memorial Fund. That's more than in the same January-October stretch of last year, when 87 officers were killed.