An investment project costs $15,000 and has annual cash flows of $4,300 for six years. What is the discounted payback period if the discount rate is zero percent? What if the discount rate is 5...

An investment project costs $15,000 and has annual cash flows of $4,300 for six years. What is the discounted payback period if the discount rate is zero percent? What if the discount rate is 5 percent? If it is 19 percent? Note: Please you dont use excel!