A firm decides to expand its operations and use more square footage in their main office. Currently, they rent out 3000 square feet of space at a rate of $3,106.00 per month. The new expansion will use this space. The firm has a cost of capital of 9.00% APR. If the tax rate is 36.00% facing the firm, what is the opportunity cost of using this space? (consider this as a perpetuity and express your answer as a positive number)