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Check my work 3 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 10% per year, which alternative has the lower present worth? 10 points Method First Cost M&O Cost, per Year Salvage Value Life DDM $-190,000 $-55,000 $4,000 2 years LS $-430,000 $-25,000 $39,000 eBook Hint 4 years Print References The present worth for the DDM method is $ The present worth for the LS method is $ The Click to select)) method is selected