the management of Londo Corporation is investigating buying a small used aircraft to use in making airborne inspections of its above-ground pipelines. the aircraft would have a useful life of 6 years. the company uses a discount rate of 13% in its capital budgeting. the net present value of the investment, excluding the intangible benefits is -$475,200. how large wpuld the annual intangible benefit have to be to be to make the investment in the aircraft financially attractive? $475,200 $118,859 $79,200 $61,776