A project has the following cash flows: Year Cash Flow 0 $-16,400 1 7,100 2 8,400 3 6,900 What is the NPV at a discount rate of zero percent? What is the NPV at a discount rate of 10 percent? (Do not round intermediate calculations and round your final answer to 2 decimal places, What is the NPV at a discount rate of 20 percent? (Negative amount should be indicated by a minus sign. Do not round intermediate calculations and round your final answer to 2 decimal places What is the NPV at a discount rate of 30 percent? (Negative amount should be indicated by a minus sign. Do not round intermediate calculations and round your final answer to 2 decimal places