Tanner Company has old equipment with a book value of $180,000 and a remaining five-year useful life. Tanner is considering purchasing new equipment at a price of $240,000. Tanner can sell the old equipment now for $160,000. The old equipment has variable manufacturing costs of $86,000 per year. The new equipment will reduce variable manufacturing costs by $36,000 per year over its five-year useful life. The total increase or decrease in net income by replacing the old equipment with the new equipment is