Which of the following statements is true? I. ISO 9000 standards were established to make sure that all consumer products incorporate specific safety features. II. External failure costs are limited to the costs of repairing defective products that are under warranty. III. To minimize its total quality costs, a company should usually try to redistribute its quality costs more toward prevention and appraisal. Multiple Choice Only statement I is true. Only statement III is true. Both statements II and III are true. None of the statements are true