Gunsmith tax

{
  "weapon.mod.small.scope": 0,
  "rifle.ak": 0,
  "rifle.bolt": 0,
  "rifle.semiauto": 0,
  "smg.2": 0,
  "smg.mp5": 0,
  "smg.thompson": 0,
  "shotgun.pump": 0,
  "shotgun.double": 0,
  "flamethrower": 0,
  "grenade.f1": 0,
  "weapon.mod.holosight": 0,
  "weapon.mod.muzzleboost": 0,
  "weapon.mod.muzzlebrake": 0,
  "weapon.mod.silencer": 0,
  "pistol.python": 0,
  "pistol.revolver": 0,
  "rocket.launcher": 0,
  "pistol.semiauto": 0,
  "weapon.mod.flashlight": 0,
  "weapon.mod.lasersight": 0,
  "weapon.mod.simplesight": 0,
  "explosive.timed": 0,
  "ammo.shotgun": 0,
  "ammo.shotgun.fire": 0,
  "ammo.shotgun.slug": 0,
  "ammo.grenadelauncher.he": 0,
  "ammo.grenadelauncher.buckshot": 0,
  "ammo.grenadelauncher.smoke": 0,
  "ammo.rifle": 0,
  "ammo.rifle.explosive": 0,
  "ammo.rocket.hv": 0,
  "ammo.rifle.hv": 0,
  "ammo.pistol.hv": 0,
  "ammo.rifle.incendiary": 0,
  "ammo.pistol.fire": 0,
  "ammo.rocket.fire": 0,
  "ammo.pistol": 0,
  "ammo.rocket.basic": 0,
  "ammo.rocket.sam": 0
}