2, 4, 6, 7, 11 transactions and events are period cost and 1, 3, 5, 8, 9, 10 transactions and events are product cost.
Product Cost is the cost that is imputable to the product, that is the cost which is accountable to the product and is a part of inventory values. On the negatives, Period Cost is just contrary to product cost, as they are not related to product, they cannot be apportioned to the product, as it is charged to the period in which they arise.
Product cost comprises direct materials, direct charges, and direct overheads. Period costs are depend on time and mainly include selling and administration costs like salary, rent, etc.
Product costs are variable cost and period costs are fixed cost.
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NOTE: The given question is incomplete on the portal, so here is the complete question.
Question: Identify which of the following transactions and events are product costs and which are period costs: