How is an impairment loss allocated to the non-current assets)? Allocate the impairment loss to assets with the lowest carrying amounts in the cash generating unit. Allocate the impairment loss to assets with the highest carrying amounts in the cash generating unit. Allocate the impairment loss in proportion to the net carrying amounts of the assets in the cash generating unit. Allocate the impairment loss in proportion to the gross amounts of the assets in the cash generating unit