Other Uses of Revealed Preference

Each of the graphs depicts choices by an individual consuming two commodities, x and y. The consumer likes x and y (more of x is better and more of y is better). In each case, when the budget line is BL1, the consumer selects basket A, and when the budget line is BL2, the consumer selects basket B.

Problem

What can be said about the way the consumer ranks the two baskets in each case?

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