Based on the description below, answer the questions that follow.

The manager of a local motel asked you to figure out his cost structure to project his future operations. According to his records, the motel recorded the total costs of $75,000 by selling 2,800 rooms during the busiest month of the past year. During the slowest month, it sold 1,300 rooms at the total costs of $45,000. Based on the given information, please answer the following questions.

Determine the motels variable cost per room sold. $ ______________ (Do not put "$" or "," in your answer. Put only the number. For example put 10000 for $10,000.