An investment project provides cash inflows of $1,025 per year for eight years. (Enter 0 if the project never pays back. Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.)

What is the project payback period if the initial cost is $3,600?

Payback period             years

What is the project payback period if the initial cost is $4,650?

Payback period             years

What is the project payback period if the initial cost is $9,200?

Payback period             years