Total Points: 10 Due date: December 05, 2017 I. (2.5 points) Find the present worth of the following cash flow diagram if,-5%. 120 120 120 50 50 50 0123 2. (2.5 points) ABC Inc. must purchase a welding machine. The following is known about the machine and about possible cash flows. p .30 p:.40 .30 First cost Annual savings Annual costs Actual salvage value 40,00040,000 $40,000 8,000 6,000 6,500 2,000 12,000 4,000 5,000 8,000 5,000 The machine is expected to have a useful life of 8 years. The company has a MARR of 7%. Determine the NPW of the machine