Dorothy & George Company is planning to acquire a new machine at a total cost of $49.700. The machine's estimated life is 6 years and its estimated salvage value is $500. The company estimates that annual cash savings from using this machine will be $11.000 The company's after-tax cost of capital is 8% and its income tax rate is 10%. The company uses straight-line depreciation (non MACRS based) (Use Arpendix C Table 1 and Appendix C, Table 2.)(Do not round intermediate calculations. Negative amounts should be indicated by a minus sign. Round "Payback period" to 2 decimal places and all other answers to the nearest dollar amount.) Required: 1 What is this investment's net after tax annual cash inflow? 2. Assume that the net after-tax annual cash inflow of this investment is $7000, what is the payback period in years? 3. Assume that the net after-tax annual cash inflow of this investment is $7.000 what is the net present value (NPV) of this investment? 4. What are the minimum net after-tax annual cost savings that make the proposed investment acceptable fie, the dollar cost savings that would yield an NPV of $07? 1 12 Years Net after tax annual cash inflow Payback period Net present value Minimum net after tax annuel cost savings 4