Final answer:
A key feature of job-order costing is that the cost of one product differs from that of another product. Job-order costing tracks the costs of producing a specific job based on its unique characteristics.
Step-by-step explanation:
A key feature of job-order costing is that the cost of one product differs from that of another product. Job-order costing is a costing system used by companies to track the costs of producing a specific job, such as a custom-made product or a specialized service. In job-order costing, costs are assigned to each job individually based on its unique characteristics, rather than being averaged across all production processes like in process costing.