If a project costs $$$$140$ comma $000$ and is expected to return $$$$30$ comma $000$annually$,$ how long does it take to recover the initial$$ investment? What would be the discounted payback period at iequals$10\%?$ Assume that the cash flows occur continuously throughout the year.

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Part $1$

The payback period is

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$4\mathrm{.}7$ years. $($Round to one decimal$$ place.$)$

Part $2$

The discounted payback period at iequals$10\%$ would be

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enter your response here years. $$