Scott Corporation is considering the purchase of new equipment costing $30,000. The projected annual after-tax net income from the equipment is $1,200, after deducting $10,000 for depreciation. The revenue is to be received at the end of each year. The machine has a useful life of three years and a $4,000 salvage value. Scott requires a 12% return on its investments. The factors for the present value of $1 for different periods follow: