An investment project provides cash inflows of $1,125 per year for eight years. (Do not round intermediate calculations. Enter 0 if the project never pays back. Round your answers to 2 decimal places (e.g., 32.16).) What is the project payback period if the initial cost is $3,800? What is the project payback period if the initial cost is $4,850? What is the project payback period if the initial cost is $10,000