Consider the following costs: (A) Safety tests for a future production type (B) Fines for releasing toxic chemicals into the ocean (C) Employee health and safety problems arising from a leak in a chemical plant (D) Temperature monitoring systems in a heating vat, to ensure employees are working in safe conditions. (E) Fines for breaching occupational health and safety standards for employees. (F) Fines for breaching environmental emission levels from plant operations. Required Identify and explain the environmental cost type of each of the above costs (prevention, appraisal, internal failure or external failure costs).

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