Required information [The following information applies to the questions displayed below.] The following year-end information is taken from the December 31 adjusted trial balance and other records of Leone Company. Required: Identify each cost as either a product cost or a period cost. If a product cost, classify it as direct materials, direct labor, or factory overhead. If a period cost, classify it as a selling expense or a general and administrative expense. (Leave no cell blank. Enter "NA - Not a product cost" or "NA - Not a period cost" for expenses that are not product cost or period cost.)