An Investment project provides cash inflows of $1, 100 per year for eight year. (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 t the initial cost is $3.750? What is the project payback period it the initial cost is $4, 800? What is the project payback period if the initial cost is $9, 800