The following present value factors are provided for use in this problem. Periods Present Value of $1 at 12% 0.8929 0.7972 0.7118 0.6355 Present Value of an Annuity of $1 at 12% 0.8929 1.6901 2.4018 3.0373 Cliff Co. wants to purchase a machine for $70,000, but needs to earn a return of 12%. The expected year-end net cash flows are $28,000 in each of the first three years, and $32,000 in the fourth year. What value is the machine's net present value closest to? $87,586. $17,586. $(49,664). $(2750). $116,000