ROI discussion was: Bitmain's Released Antminer S9, World's First 16nm Miner Ready to Order
...[blibityblablabla]....
And what is this claimable depreciation rate (for a hobby miner) that you plucked from your delusional Land of Make-believe? 
You really are an ignorant cunt aren't you?
You look like a half retarded monkey when you make statements like this one.