A project has estimated annual net cash flows of $15,000 for two years and is estimated to cost $35,000. Assume a minimum acceptable rate of return of 6%. Use the Present Value of an Annulty of $1 at Compound Interest table below. Present Value of an Annuity of $1 at Comnnund Tntana. Determine (a) the net present value of the project and (b) the present value index. If required, use the minus sign to indicate a negative net present value