An investment project provides cash inflows of $1,375 per year for eight years.
a.	What is the project payback period if the initial cost is $4,300? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.)
b.	What is the project payback period if the initial cost is $5,350? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.)
c.	What is the project payback period if the initial cost is $12,000? (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.)