Room 1 has 50,000 square feet of rentable space. Room 2 account for 30,000 square feet and lobby area is composed of 20,000 square feet. They have a sales amounting to $130,000; $70,000; and $0 respectively and a cost of $60,000; $20,000;and $50,000. How much is the allocated indirect cost for Room 1 based on room size?