You are considering an investment opportunity that requires an initial investment of $18,000 and is expected to provide an annual cash flows of $1,450 for the first three years, then an annual cash flow of $1,620 for the next four years, then a final cash flow of $24,000 one year later. If your required rate of return is 9%, what is net present value of this opportunity?

Enter your answer rounded to the nearest penny but do not include any punctuation.