You run a hotel with 200 rooms. Fixed daily cost is $1500 which includes staff salary and property charges, maintenance cost of hospital is additional $300 daily. Variable cost per room is $15 which includes cleaning, utility cost etc. You charge $100 per room per day. You sold 50 rooms today, how much is the revenue did you earn

A) $2000

B) $500

C) $6000

D) $2000