An investment project provides cash inflows of $705 per year for eight years. a. what is the project payback period if the initial cost is $1,450? (enter 0 if the project never pays back. round your answer to 2 decimal places, e. g., 32.16.) b. what is the project payback period if the initial cost is $3,600? (enter 0 if the project never pays back. round your answer to 2 decimal places, e. g., 32.16.) c. what is the project payback period if the initial cost is $5,800? (enter 0 if the project never pays back. round your answer to 2 decimal places, e. g., 32.16.)