An investment project costs $10,000 and has annual cash flows of $2,910 for six years What is the discounted payback period if the discount rate is zero percent? (Enter 0 if the project never pays back Round your answer to 2 decimal places, (e.g.. 32.16)) Discounted payback period years What is the discounted payback period if the discount rate is 6 percent' (Enter 0 if the project never pays back. Round your answer to 2 decimal places, (e.g.. 32.16)) Discounted payback period years What is the discounted payback period if the discounted rate is 20 percent' (Enter 0 if the project never pays back. Round your answer to 2 decimal places, (e.g.. 32.16)) Discounted payback period years