The pathology laboratory at Greenville Hospital produces several hundred different lab tests. The hospitals' two accountants have already completed Stage 1 of the cost accounting effort. Now they are contemplating various techniques to accomplish Stage 2. Which of the following approaches would be most appropriate to compute the full costs of each test produced by the pathology laboratory? Select one: a. A job order system. b. A process system. c. The step-down method. d. The reciprocal method