How to shut-up a neighbors barking dog?

Okay, I live in a garage apartment behing my brother-in-law's house and it backs up to an alley way and then a neighbor's fenced backyard. The mutt can't be more than 30 yards away from me and it barks all night long at something or nothing, but I have absolutely had it. Obviously it doesn't... show more Okay, I live in a garage apartment behing my brother-in-law's house and it backs up to an alley way and then a neighbor's fenced backyard. The mutt can't be more than 30 yards away from me and it barks all night long at something or nothing, but I have absolutely had it. Obviously it doesn't bother anyone else even it's owners. What would be the appropriate action to silence that dog after hours?
A. Confront it's owners
B. Write a letter of complaint
C. Buy an ultrasonic dog silencer
D. Shoot it with an airsoft gun or pellet gun and stun it
E. Stuff some valium in a T-bone and trow it over the fence?
F. Call the police or animal patrol?

Please help this dog has to shut-up.
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