i need help answering both of these questions

lyryx Print Preferences Help Lab 3 (Question 4) Name: lan Davis Date: 2021-02-07 Question 4 [12 points] The demand for cars is represented by PD = 66 - 3Q and the supply for cars is represented by Ps = 2Q + 1. Determine for each of the following prices if it is a price floor, price ceiling, or neither. For each price determine the quantity shortage or surplus. a) P = $45. Price ceiling/floor: Surplus/Shortage: Amount: 0 6) P = $21. Price ceiling/floor: Surplus/Shortage: Amount: 0 Official Time: 16:54:03 SUBMIT AND MARK SAVE AND CLOSE