help with question please

Lewis's Bikes produces specialized bicycle frames. The production process uses two machines, which together form a cash generating unit (CGU). The following information is relevant to the evaluation of impairment for these machines. Bending machine Welding machine Total CGU Net carrying value 521,000 446,000 967,000 Fair value less costs 508,000 See requirement See requirement to sell Value in use 941,500 Required: a) Assume that the welding machine has a fair value less costs to sell of $435,000. Determine the amount of impairment that should be recorded for the cash generating unit and for each of the two machines. b) Assume that the welding machine has a fair value less costs to sell of $460,000. Determine the amount of impairment that should be recorded for the cash generating unit and for each of the two machines