Lucia enjoys eating jelly sandwiches and drinking soda. She is particular about proportions, though: For every jelly sandwich she eats, she must drink exactly one glass of soda, and vice versa. Lucia can purchase the jelly for her sandwiches in two jar sizes: 20 ounces and 40 ounces. Lucia cares only about the total amount of jelly she has available and not at all about the jar size. In other words, she's just as happy with two 20-ounce jars as she is with one 40-ounce jar.
In this scenario, jelly sandwiches and glasses of soda are:__________

In the given situation as the two goods i.e. jelly sandwiches and drinking soda would be consumed in fixed proportions so they are classified as a perfect complements also their indifference curve would be L shaped

So according to the given scenario, both the goods would be classified as a perfect complements

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