A hospital is considering purchasing a new diagnostic machine that is expected to save $250,000 per year for 4 years. The machine costs $800,000. The hospital has a tax rate of 35 percent and they use straight-line depreciation for tax purposes. Their cost of capital is 8 percent. Calculate the following components of net present value (rounded to the nearest whole dollar). Use a minus sign to express negative numbers. Present value of the initial investment in the machine $ Present value of the savings, net of tax Present Value Factors - Single sum Periods 4 10 20 4% Periods 4 10 20 Present Value Factors - Ordinary annuity .85480 67556 45639 4% 3.62990 8.11090 13.59033 5% 5% .82270 .61391 37689 3.54595 7.72173 12.46221 8% 8% 73503 46319 21455 3.31213 6.71008 9.81815 10% .68301 38554 14864 10% 3.16987 6.14457 8.51356