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A friend said his French grandmother kept switching off the lights but left the tap running. His Namibian relative left the lights on while shouting at him to turn off the water. 

Which availability of resources and level of prices would make economic sense of these consumer actions?

1 ) 

in France: adequate water supplies  /  in Namibia: expensive electricity

2 ) 

in France: cheap electricity  /  in Namibia: adequate water supplies

3 ) 

in France:  expensive electricity  /  in Namibia: scarce water supplies 

4 ) 

in France: scarce water supplies  /  in Namibia: cheap electricity

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