Dexcon Technologies, Inc. is evaluating two alternatives to produce its new plastic filament with tribological (ie, low friction) properties for creating custom bearings for 3D printers. The estimates associated with each alternative are shown below. Using a MARR of 19% per year, which alternative has the lower present worth? Method First Cost M&O Cost, per Year Salvage Value Life DDM S-200,000 $ 30,000 $10.000 2 years LS $-380,000 $ 20,000 $35.000 4 years The present worth for the DDM method is $ The present worth for the LS method is $ The (Click to select)y method is selected