Predict 2018 sales for Xb1, PS4, SW and 3DS

[pxrocks]

ps4=22m(if they reduced the price to 199$ otherwise 19m)

xb1=10m(if next halo gears and forza release also price cut to 199$)

ns=21m(if price cut to 250$and pokemon otherwise 18m)

3ds=idk

vita=idk

ps3=idk