11. 400 points value: What is the NPV of the following set of cash flows at a discount rate of zero percent? What if the discount rate is 15 percent? Year Cash Flow -$21,400 11,600 13,500 12,200 3 o $0:$6,916.59 o $0;-$665.07 $15,900: $720819 O s0: $7.208.19 o $15,900; $6916.59