Ace Hardware is adding a new product line that will require an investment of $ $1$ comma $346$ comma $000.$ Managers estimate that this investment will have a$10-$year life and generate net cash inflows of $ $330$ comma $000$ the first$$ year, $ $280$ comma $000$ the second$$ year, and $ $230$ comma $000$ each year thereafter for $8$ years. Compute the payback period. Round to one decimal place.

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Part $1$

Payback in years $=$