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When the above situation occurs, we can say that the income elasticity of demand for automobiles is 1.2.
This can be found by the formula:
= Change in quantity demanded of automobiles / Change in income
Solving gives:
= 30% / 25%
= 1.2
In conclusion, the income elasticity here would be 1.2.
Find out more on income elasticity of demand at https://brainly.com/question/3980051.