Final answer:
The subject of this question is joint costs in the production of silver cups and platters.
Step-by-step explanation:
In this case, the subject is about joint costs in the production of silver cups and platters by The Silver Center (TSC).
Joint costs are costs incurred in the production of multiple products from a common input. The materials and labor costs incurred by TSC to produce the silver alloy are considered joint costs, as they are shared between the platters and cups.Based on this information, the primary topic is joint costs in the production of silver cups and platters.