Use the figure below to answer the following questions. Rent (dollars per room per month) 250 200 150 100 50 0 1,000 2,000 Quantity (rooms per month) Figure 6.1.1 Refer to Figure 6.1.1. If the demand for rental housing increases and the demand curve shifts rightward from Do to D, and the market is unregulated, the number of rooms rented is Select one: O A. 2,000, and the rent is at its initial level. B. 2,000, and the rent rises to $200 a month. O C. 1,500, and the rent rises to $200 a month. O D. 1,750, and the rent rises to $200 a month.