Brown Company's costs for the month of August were as follows: direct materials, $27,000; direct labour, $34,000; sales salaries, $14,000; indirect labour, $10,000; indirect materials, $15,000; general corporate administrative cost, $12,000; taxes on manufacturing facility, $2,000; and rent on factory, $17,000. The beginning work in process inventory was $16,000 and the ending work in process inventory was $9,000. What was the total manufacturing costs for the month? A) $132,000 B) $105,000 C) $138,000. D) $112,000