Tri-Tech creates environmental impact statements (EIS) for projects on public land. Last month, Ski Idaho ordered an EIS for a new ski lift and GRI ordered an EIS for a mining claim. Tri-Tech charges direct costs plus 25%. Tri-Tech oversees the process and incurs overhead of $9,000 per month, and allocates overhead at based on direct labor costs. The company pays consultants $500 /hour to do the work. Both jobs were started and completed last month. The Ski Idaho job took 120 hours and the GRI job took 60. How much profit did Tri-Tech realize on the Ski Idaho job. A. $4,500 B. $6,000 C. $9,000 D. $15,000