The following present value factors are provided for use in this problem. Cliff Co. wants to purchase a machine for $44,000, but needs to earn an 10% return. The expected year-end net cash flows are $15,000 in each of the first three years, and $19,000 in the fourth year. What is the machine's net present value (round to the nearest whole dollar)? $(6, 696). $6, 281. $50, 281. $(31, 023). $64,000