An investment project provides cash inflows of $570 per year for eight years. What is the project payback period if the initial cost is $1,675? (Enter 0 if the project never pays back. Round your answer to 2 decimal places, e.g., 32.16.) Payback period years What is the project payback period if the initial cost is $3,275? (Enter 0 if the project never pays back Round your answer to 2 decimal places, e.g., 32.16.) Payback period years What is the project payback period if the initial cost is $4,800? (Enter 0 if the project never pays back Round your answer to 2 decimal places, e.g., 32.16.) Payback period years