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?​

Aresearcher proposes to conduct a study at a foreign site. the research has been determined to be exempt from the federal regulations by institutional policy. according to federal regulations, is review required at the foreign site? if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted but still require review at the u. s. site by the institution’s irb. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted, but still require review by the institutional official at the local site.

Is even more difficult to analyze because of the lack of cues in computer mediated communication.

Articles of the confederation is a good representation of a system of government.