An investment project costs $10,000 and has annual cash flows of $2,860 for six years. a. What is the discounted payback period if the discount rate is zero percent? (Enter O if 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 4 percent? (Enter O if 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 21 percent? (Enter O if the project never pays back. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) years a. Discounted payback period b. Discounted payback period Discounted payback period years years You're trying to determine whether to expand your business by building a new manufacturing plant. The plant has an installation cost of $12.4 million, which will be depreciated straight-line to zero over its four-year life. If the plant has projected net income of $1,894,300, $1,947,600, $1,916,000, and $1,369,500 over these four years, respectively, what is the project's average accounting return (AAR)? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Average accounting return %