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 0 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 $3,700? (Enter 0 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 $5,700? (Enter 0 if the project never pays back. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)