2 A company has an investment opportunity which will yield the following cash flows. Assuming the cash flows occur evenly during the year, what is the payback period for this investment? Solve this manually and use the Percentrank function to solve. Year 0 1 2 3 5 6 Cash Flow ($20,000) $5,000 $6,000 $6,500 $7,000 $7,500 Cumlative Cash Flow ($20,000) ($15,000) ($9,500) ($3,500) $3,000 $10,000 $17,500 4 $5,500 $4 Manually = Percentrank =