An investment project provides cash inflows of $950 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 $3,450?
Requirement 2: What is the project payback period if the initial cost is $4,500?
Requirement 3: What is the project payback period if the initial cost is $8,600?