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Decide if the following statements are TRUE or FALSE. If they are FALSE, explain why. a) The market supply curve is the vertical sum of all individual supply curves of all firms in the economy. b) The demand curve is downward sloping, depicting an inverse relationship between price and quantity demanded. c) Quantity demanded is the quantity of a good that consumers are able to purchase at a particular price. d) According to the law of supply, supply will rise when product price rises