Two types of robots (Cartesian and Articulated) with the following estimates are under consideration for a dishwasher assembly process. Using an interest rate of 10% per year, determine which one should be selected on the basis of an annual worth analysis.

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Robot Carteslan Articulated First cost, $ AOC, $/year Salvage value, $ |Life, years -300,000 -430,000 -60,000 -40,000 70,000 95,000 4