Denny Corporation is considering replacing a technologically osdolete machine with a new state of the aret numerically controlled machine. The new machine would cost $600,000 and would have a 10 year useful life. Unfortunately, the new machine would have no salvage value. The new machine would cost $20,000 per year to operate and maintain, but would save $125,000 per year in labor and other costs. the old mahine cfan be sold now for scrap for $50,000. What percentage is the simple rate of return on th enew machine rounded to the nearest tenth of a percent?(Ignore oncome taxes in this problem)