An investment project provides cash inflows of $1,000 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).)

Requirement 1:

What is the project payback period if the initial cost is $3,550?

Payback period

? years

Requirement 2:

What is the project payback period if the initial cost is $4,600?

Payback period

? years

Requirement 3:

What is the project payback period if the initial cost is $9,000?

Payback period

? years