In each of the following examples, a consumer purchases just two goods: x and y. Based on the information provided, select the set of indifference curves that is the best match.

In each of the following examples, a consumer purchases just two goods: x and y. Based on the information provided, select the set of indifference curves that is the best match.

1. Kieran considers chewing gum (x) to be a perfect substitute for mints (y).

2. In the previous question, what is the marginal rate of substitution between chewing gum and mints? Enter an integer value

 

3. Maeve will only consume toast (x) with two eggs (y).

4. Efia enjoys both boba tea (x) and sweet tea (y), although she has a slight preference for boba.