Why is my answer wrong???? I have tried every type of answer and I am still wrong!

The management of Kunkel Company is considering the purchase of a $27,000 machine that would reduce operating costs by $7,000 per year. At the end of the machines five-year useful life, it will have zero scrap value. The companys required rate of return is 12%.

1.	Determine the net present value of the investment in the machine. (Any cash outflows should be indicated by a minus sign. Use Microsoft Excel to calculate present values. Do not round intermediate calculations.)

I figured it out,