Q1) a) 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 14% per year, which alternative has the lower present worth? Method First Cost M&O Cost, per Year Salvage Value Life DDM $-190,000 $-35,000 $0 2 years LS $-490,000 $-35,000 $19,000 4 years The present worth for the DDM method is $ The present worth for the LS method is $ The (Click to select) method is selected. (Click to select) LS DDM b) Determine the capitalized cost of a permanent roadside historical marker that has a first cost of $50,000 and a maintenance cost of $3,600 once every 4 years. Use an interest rate of 15% per year. The capitalized cost is $