For financial accounting purposes, what is the total amount of product costs incurred to make 20,000 units?

For financial accounting purposes, what is the total amount of period costs incurred to sell 20,000 units?

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For financial accounting purposes, what is the total amount of product costs incurred to make 22,000 units?

For financial accounting purposes, what is the total amount of period costs incurred to sell 18,000 units?