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 $34,000 less 10% commission. Alternatively, Gunner Co. has offered to lease the equipment for five years for a total of $46,000. Keating will incur repair, insurance, and property tax expenses estimated at $10,000 over the five-year period. At lease-end, the equipment is expected to have no residual value. The net differential income from the lease alternative is O$5,400 O$3,780 O$6,480 O$8,100