What is the initial net cash flow if the new machine is purchased and the old one is replaced? Calculate the annual depredation allowances for both machines, and compute the change in the annual depreciation expense if the replacement is made. What are the incremental net cash flows in years 1 through 5? Round your answer to the nearest dollar. Should the firm purchase the new machine? What is the initial net cash flow if the new machine is purchased and the old one is replaced? Calculate the annual depredation allowances for both machines, and compute the change in the annual depreciation expense if the replacement is made. What are the incremental net cash flows in years 1 through 5? Round your answer to the nearest dollar. Should the firm purchase the new machine