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Final answer:Gasoline, with an income elasticity (EI) between 0 and 1, is a normal necessity. Big-screen televisions, having an EI greater than 1, are considered normal luxury goods. Dehydrated instant ramen noodles, with an EI less than 0, are categorized as inferior goods.Explanation:The question requires matching products to their correct income elasticity of demand (EI). Income elasticity of demand measures how the quantity demanded of a good responds to a change in income, with products categorized based on their EI values:Gasoline - Given that gasoline is a necessity with less sensitivity to income changes, it has an EI of C. 0 < EI < 1, categorizing it as a normal necessity.Big-screen televisions - As a luxury item, demand for big-screen TVs increases more proportionately with income, hence it has an EI of A. EI > 1, making it a normal luxury.Dehydrated instant ramen noodles - Often consumed more when income is low and less so as income rises, instant ramen can fall into the category of B. EI < 0, labeling it as an inferior good.This classification helps in understanding consumer behavior towards different goods as their income levels change...