show calculation and which one is correct?

As part of an annual review for impairment a company identifies a machine which gives concern as to possible impairment. The carrying amount is 8,500, fair value less costs to sell has been estimated at 6,500 and value in use has been calculated at 7,000. What, if any, impairment loss would be recognised for the asset? 500 O 2,000 0 1,500 NII