Keating Co. is considering disposing of equipment with a cost of $61,000 and accumulated depreciation of $42,700. Keating Co. can sell the equipment through a broker for $27,000, less a 6% broker commission. Alternatively, Gunner Co. has offered to lease the equipment for five years for a total of $50,000. Keating will incur repair, insurance, and property tax expenses estimated at $12,000 over the five-year period. At lease-end, the equipment is expected to have no residual value.
1. The net differential income from the lease alternative is ______________?