PC on my nearly PERFECT rare poisonous shadow bow of enchanting 14^50

can you please check the price on this rare bow? thanks
i realy don't know the price

Piercing Dmg: 15-28 (req. 11 Marksmanship)
Damage +14% (while Health is above 50%)
Lengthens Poison duration on foes by 33%
Enchantments last 20% longer

plz say the price! i need it very well =)