An investment project provides cash inflows of $1,400 per year for eight years. (Do not round intermediate calculations. Enter 0 if the project never pays back.

1: What is the project payback period if the initial cost is $4,350? Payback period years Requirement

2: What is the project payback period if the initial cost is $5,400? Payback period years Requirement

3: What is the project payback period if the initial cost is $12,200? Payback period years