The correct answer is: Job costing.
Job costing is a type of costing system that is applied when a quantity of similar and identical products are manufactured together as one job. The cost of each job is calculated by adding up the costs of all the materials, labor, and overhead that are used to produce the job.
Batch costing is a type of costing system that is applied when a quantity of similar but not identical products are manufactured together as one batch. The cost of each batch is calculated by adding up the costs of all the materials, labor, and overhead that are used to produce the batch.
Operation costing is a type of costing system that is applied when a quantity of products are manufactured through a series of operations. The cost of each operation is calculated by adding up the costs of all the materials, labor, and overhead that are used to perform the operation.
Output costing is a type of costing system that is applied when a quantity of products are manufactured through a series of processes. The cost of each process is calculated by adding up the costs of all the materials, labor, and overhead that are used to perform the process.
In conclusion, job costing is the correct answer because it is the type of costing system that is applied when a quantity of similar and identical products are manufactured together as one job.