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.
Tuesday 16 June 2015 21.48 EDT First published on Wednesday 10 June 2015 16.47 EDT. The number of people killed by police in the United States during 2015 reached 500 on Wednesday, according to a Guardian investigation, after two young black men were shot dead in New York City and Cincinnati.