San Lucas Corporation is considering investment in robotic machinery based upon the following estimates: Cost of robotic machinery $4,000,000 Residual value 300,000 Useful life 10 years a. Determine the net present value of the equipment, assuming a desired rate of return of 10% and annual net cash flows of $700,000. Use the present value tables appearing in Exhibit 2 and 5 of this chapter. Net present value $fill in the blank 1 b. Determine the net present value of the equipment, assuming a desired rate of return of 10% and annual net cash flows of $500,000, $700,000, and $900,000. Use the present value tables (Exhibit 2 and 5) provided in the chapter in determining your answer. If required, use the minus sign to indicate a negative net present value.