E21-23 (similar to) Question Help * Laverty Clinic plans to purchase a new centrifuge machine for its New York facility. The machine costs S$279,000 and is expected to have a useful life of 7 years, with a terminal disposal value of $50,000. Savings in cash operating costs are expected to be S63,000 per year. However additional working capital is needed to keep the machine running efficienty. The working capital must continually be replaced, so an investment of $30,000 needs to be maintained at all times, but this nvestment is fully recoverable (Will be "cashed in") at the end of the useful life. Laverty Clinic's required rate of return is 10%. ignore income taxes in your analysis. Assume all cash flows occur at year-end except for initial investment amounts. Laverty Clinic uses straight-line depreciation for its machines (Click the lcon to view the Future Value of $1 factors.) (Click the icon to view the Future Value of Annuity of $1 factors.) (Click the icon to view the Present Value of Annuity of $1 factors.) (Click the icon to view the Present Value of $1 factors.) Read the sequirements. Requirement 1. Calculate net present value. (Use factors to three decimal places, XXXx, and use a minus sign or parentheses for a negative net present value. Enter the net present value of the investment rounded to the nearest whole dollar.) The net present value is S