An investment project costs $16,200 and has annual cash flows of $3,400 for six years. Required: (a)What is the discounted payback period if the discount rate is zero percent? (Click to select) (b)What is the discounted payback period if the discount rate is 4 percent? (Click to select) (c)What is the discounted payback period if the discount rate is 21 percent? (Click to select)