A semiconductor manufacturing facility is considering 2 different scrubbers to reduce its HLC emissions and comply with state air quality standards. Option one is a wet scrubber option 2 a dry scrubber. Both scrubbers will meet the company’s ongoing HCL emission reduction needs. the wet scrubber cost $250,000 to purchase $25,000 per year to operate and has a salvage value of $15,000 at the end of it 15 year life. The dry scrubber cost $300,000 to purchase $24,000 per year to operate, salvage value of $75,000 at the end of its 20 year useful life. if the MARR is 15% what scrubber should be purchased?