Discounted payback period calculation

Discounted payback period calculation

Subject: Economics    / Financial Markets
Question
Your firm is considering an investment that will cost $750,000 today. the investment will produce cash flows of 250,000 in the year 1, $300,000 in the years 2 through 4, and $100,000 in the year 5. What is the investment discounted payback period if the required rate of return is 10%