An investment project provides cash inflows of $585 per year for eight years. What is the project payback period if the initial cost is $1,700? (Enter O if the project ne decimal places.) Payback period What is the project payback period if the initial cost is $3,300? (Enter 0 if the project n decimal places.) Payback period What is the project payback period if the initial cost is $4,900? (Enter O if the project ne decimal places.) Payback period years years years