please help to solve those muiltiple choice questions. please answer all of them. thumps up later on

QUESTION 3 A binding price ceiling causes a surplus. 13 causes a shortage. is set at a price above the equilibrium price. (iv) is set at a price below the equilibrium price. O a. (ii) and (iv) only O b. (1) and (iii) only O c. (iv) only O d. (ii) only QUESTION 4 A binding price floor will reduce a firm's total revenue O a. never. O b. always. O c. when demand is elastic. O d. when demand is inelastic.QUESTION 5 A legal minimum on the price at which a good can be sold is called a O a. tax. O b. price ceiling. O c. price subsidy. O d. price floor. QUESTION 6 A legal maximum on the price at which a good can be sold is called a price O a, ceiling. O b. support. O c. subsidy. O d. floor. QUESTION 7QUESTION 1 A shortage is eliminated when a, a nonbinding price ceiling is imposed. O b. a binding price ceiling is enacted. O c. a binding price ceiling is removed. O d. a nonbinding price ceiling is repealed. QUESTION 2 Consider the US market for chocolate, a market in which the government has imposed a price ceiling. Which of the following events could convert the price ceiling from a nonbinding to a binding price ceiling? O a, a sharp drop in consumer income; chocolate is a normal good. O b. a large increase in the size of the cocoa bean crop; cocoa beans are used to produce chocolate. O c. South American cocoa bean producers refuse to ship to chocolate producers in the US. Od.a government study that shows that consuming chocolate increases the incidence of cancer