An investment project provides cash inflows of $1,225 per year for eight years. a. What is the project payback period if the initial cost is $4,000? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) b. What is the project payback period if the initial cost is $5,050? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) c. What is the project payback period if the initial cost is $10,800? (Enter O if the project never pays back. Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) a. Payback period Payback period c. Payback period b years years 0 years