Ivanhoe Mills management is evaluating two alternative heating systems. Costs and projected energy savings are given in the following table. The firm uses 11.5 percent to discount such project cash flows. Year on Mt System 100 -$1,683,800 252,110 591,130 627,140 732,800 System 200 -$1,734,400 640,100 700,700 664,700 356,200 What is the NPV of the systems? (Enter negative amounts using negative sign, e.g. -45.25. Do not round discount factors and intermediate calculations. Round final answers to O decimal places, e.g. 5,275.) NPV of system 100 is NPV of system 200 is Which system should be chosen? Ivanhoe should choose