Robinson Hardware is adding a new product line that will require an investment of $$1,512,000.$ Managers estimate that this investment will have a$10-$year life and generate net cash inflows of $$300,000$ the first$$ year, $$270,000$ the second$$ year, and $$230,000$ each year thereafter for eight years. Compute the payback period. Round to one decimal place.Robinson.

The payback in years is $??$