,000 Rent (dollars per month 1.00 800 600 400 200 D 0 2 3 4 5 6 Quantity thousands of apartments per month) The figure above shows the demand for and supply of rental housing in Smallton. If a rent ceiling is set at $800, there is .a. a shortage of 6,000 units of rental housing .b, a surplus of 3,000 units of rental housing .c. a shortage of 3,000 units of rental housing O .d. neither a shortage nor a surplus of rental housing O Activate Windows Clear my choicetings to activate W