Question Completion Status: A partial listing of costs incurred during December at Rooks Corporation appears below: Factory supplies........... $7,000 Administrative wages and salaries.......... $92,000 Direct materials..... $176,000 Sales staff salaries.......... $32,000 Factory depreciation....... $52,000 Corporate headquarters building rent.... $47,000 Indirect labor.. $23,000 Marketing........ $136,000 Direct labor....... $82,000 The total of the product costs listed above for December is: A) $340,000 B) $82,000 C) $647,000 D) $307,000 o i e