An investment project provides cash inflows of $835 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. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b.What is the project payback period if the initial cost is $3,600? (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 project payback period if the initial cost is $7,400? (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. Payback period b. Payback period c. Payback period years years es