An investment project costs $10,000 and has annual cash flows of $2,870 for six years. a. What is the discounted payback period if the discount rate is zero percent? (Enter of the project never pays back. Do not round Intermediate calculations and round your answer to 2 decimal places, e.g. 32.16.) b. What is the discounted payback period if the discount rate is 5 percent? (Enter of the project never pays back. Do not round Intermediate calculations and round your answer to 2 decimal places, e.g.. 32.16.) c. What is the discounted payback period if the discount rate is 20 percent? (Enter of the project never pays back. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) a. Discounted payback period b. Discounted payback period c. Discounted payback period years years years