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.
Since 9/11, about 5,000 Americans have been killed by U.S. police officers, which is almost equivalent to the number of U.S. soldiers who have been killed in the line of duty in Iraq.