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 11% per year, which alternative has the lower present worth? Method First Cost M&O Cost, per Year Salvage Value Life DDM $-240,000 $-50,000 $6,000 2 years LS $ 420,000 $ 40,000 $17.000 4 years The present worth for the DDM method is $ The present worth for the LS method is $ The (Click to select) v method is selected