Dexcon Technologies, Inc. is evaluating two alternatives to produce its new plastic filament with tribological (i.e., low friction) properties for creating custom bearings for 3-D printers. The estimates associated with each alternative are shown below. Using a MARR of 20% per year, which alternative has the lower present worth?
 FIGURE 1.png)
PWDDM = -164,000 – 55,000(P/A,20%,4) – 164,000(P/F,20%,2)
= -164,000 – 55,000(2.5887) – 164,000(0.6944)
= $-420,260
PWLS = -370,000 – 21,000(P/A,20%,4) + 30,000(P/F,20%,4)
= -370,000 – 21,000(2.5887) + 30,000(0.4823)
= $-409,894
Select method LS
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