hamlet company is considering the purchase of a new machine that would cost $300000 and would have an estimated useful life of 10 years with no salvage value. the new machine is expected to have annual before-tax cash inflows of 100000 and annual before tax cash outflows of 400000. the company will depreciate the machine using straight line depreciation, and the assumed tax rate is 40%. determine the next after tax cash inflows for the new machine? determine the payback period for the new machine?