please answer

7) About 48% of Canada's wealth is held by the richest 10% of the population. Approximately what percent of Canada's wealth is held by the poorest 50% of the population? a) 1% b) 5% c) 10% d) 25% 8) Okun's Law states that for every percentage point by which the unemployment rate exceeds the natural rate, of actual GDP will be lost. a) 1% b) 2% c) 5% d) 10% 9) All things being equal, when suppliers become willing to charge less, what happens to consumer surplus? a) Consumer surplus remains unchanged b) Consumer surplus decreases c) Suppliers go out of business d) Consumer surplus increases 10) "Allocational efficiency" of labour means; a) workers have maximized their earnings b) workers are assigned to the tasks that match their skills c) workers do not waste any raw materials d) workers are equipped with the appropriate tools and environment, so as to reduce the time taken between tasks 11) Economic efficiency occurs when all trading partners; a) specialize in the areas where they have a comparative advantage b) have the same level of marginal productivity c) produce the item that they can sell at the lowest cost d) All of these answers