Vextra Corporation is considering the purchase of new equipment costing $41,500. The projected annual cash inflow is $12,300, to be received at the end of each year. The machine has a useful life of 4 years and no salvage value. Vextra requires a 12% return on its investments. The present value of an annuity of $1 for different periods follows:

Periods 12% 1 0.8929 2 1.6901 3 2.4018 4 3.0373

What is the net present value of the machine?