samsung galaxy s8

Does anyone know . If samsung has not stock part available for motherboard of any mobile. then they provide some coupon which is reedemable at samsung store . So wanted to know how much amount does samsung provide ?? like full current market price of device coupon or 50 % if somebody knows...

Samsung Galaxy S8 (G950FD) 64 GB - at perfect condition.....only few days used.....with bill box charger and wireless charger.....at 45000 INR. only one side of headphone, unfortunately has broken two days before.....but I will provide other samsung headphone along with that one. Handset...