Brianna and India are shopping together at the mall for new sandals. Brianna's marginal benefit is $90, and India's marginal benefit is $50 for a pair of sandals. What is the gain in total consumer surplus when the price decreases from $59 to $40?
A)$10
B)$29
C)$31
D)$60

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The Answer of Brianna and India are shopping together at the mall for new sandals. Brianna's marginal benefit is $90, and India's marginal benefit is $50 for a pair of sandals. What is the gain in total consumer surplus when the price decreases from $59 to $40?
A)$10
B)$29
C)$31
D)$60

Brianna and India Are Shopping Together at the Mall for New