Value in use calculation - Impairment

Hello May I know when we are calculating the value in use of the asset, do we need to consider its selling price in future? If we need to consider it, do we need to discount it based on the discount rate Example : Company XYZ has an asset with expected cash inflow of $1000 in next 3 year. Besides, at the end of Year 3, the asset can be sold for $ 50000. Given that the discount rate is at 10%, what is the value in use? So, may i know do we need to discount the $50000 at 10% to get the value in use? Thank you