Based on the following table which indicates expenditure of the household on a commodity answer the questions that follow (the price of the good is br. 10) calculate income elasticity of demand if income increases from br 10,000 to br. 20,000 and if income increases from 40,000Br. to 50,000 Br.
is this a normal or an inferior or a luxury good?​

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Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.

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