Automationdirect, which makes 6-inch TFT color touch screen HMI panels, is examining its cash flow requirements for the next 5 years. The company expects to replace office machines and computer equipment at various times over the 5-year planning period. Specifically, the company expects to spend $7000 two years from now, $9000 four years from now, and $15,000 five years from now. Determine the present worth of the planned expenditures at an interest rate of 10% per year using

(a) tabulated factors, and

(b) a financial calculator.