An investment project costs $10,000 and has annual cash flows of $2,890 for six years.

What is the discounted payback period if the discount rate is zero percent?

What is the discounted payback period if the discount rate is 4 percent? (Enter 0 if the project never pays back. Round your answer to 2 decimal places. (e.g., 32.16))

What is the discounted payback period if the discount rate is 21 percent? (Enter 0 if the project never pays back. Round your answer to 2 decimal places. (e.g., 32.16))