Find the marginal costs from the information below?

Process Board Loader Laser Etch and verification SM Operation all steps Surface Mount Ops & Inspection Two pronged robotic cell ops and inspection DIP and ASIC Insertion Connector placement Rivet Robot Clean and Wave Solder Inspection/Rework Test Unload Chambers Labor Engineers and Managers New Feeders Numb Capaci Cost ($000) including er ty conveyor 2 74 1 70 1 60 N/A 70 2 1 1 1 1 ea N/A 2 2 2 75 70 50 70 68 100 50 74 90 10 20 75 Labor only 50 90 50 40 35 Labor 80 5 100 1 Lead time (months) 2 5 5 1 st 4 5 4 3 1 6 1 5 1 2 2 years units 1 10,175 2 102,000 3 144,000 costs marginal cost