Hello, please may I get some help with these questions !

Use the diagram below for a firm operating in a perfectly competitive market and answer the question that follows. 3. At what price level must the firm shut down in the short run? [1] At a price below P1. [2] At a price below P2. [3] At a price below P3. [4] At a price above P3. 4. Which of the following statements is/are correct about a rm operating in a perfectly competitive market? [1] The market price is given by the rm's average variable cost. [2] The rm has perfect information and consumers have imperfect information. [3] The level of production efciency is greater in the long run than in the short run. [4] The rm faces the same demand schedule as its marginal revenue. The market demand and supply for renting apartments in the Midrand area is given as: Demand: P = 12 000 _ 5Qd 5. What is the landlord's total revenue at the equilibrium price? [1] R7 000 000. [2] R12 000 000. [3] R8 000 000. [4] R1 400 000. 6. If the government implements an effective rent ceiling of R4 100 in the Midrand area, what are the search costs? [1] R0. [2] 2 640 000. [3] 1 320 000. [4] 72 000. 7. What price will the customers be willing to pay on the black market? [1] R5 000. [2] R4 100. [3] R6 500. [4] R1 400. 8. What would we expect to happen to the market when the government imposes a price floor below equilibrium? [1] The total market surplus would decline. [2] There will be a deadweight loss. [3] The consumer surplus will be offset by the same magnitude as the producer surplus. [4] The will be no effect on the market