An investment project provides cash inflows of $705 per year for eight years. a. What is the project payback period if the initial cost is $1,900? (Enter O if the project never pays back. Round your answer to 2 decimal places, e.g., 32.16.) b. What is the project payback period if the initial cost is $3,700? (Enter 0 If the project never pays back. Round your answer to 2 decimal places, e.g., 32.16.) c. What is the project payback period if the initial cost is $5,700? (Enter O If the project never pays back. Round your answer to 2 decimal places, e.g. 32.16.) es years a. Payback period b. Payback period c. Payback period years years