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Bunuel
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Naksha
Can anyone please explain the answer

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Profit is the difference between sales price and cost.

Let's compare the choices.

D has about the same cost as E, but E has a significantly higher sales price, so E is certainly more profitable than D. D is eliminated.

C has about the same cost as A but also has a significantly lower sales price, so C is eliminated.

B has a marginally higher sales price than E but has a significantly higher cost, so B is eliminated.

E and A now remain.

Imagine a horizontal line drawn through E and a vertical line through A.

If the distance from E to the point of intersection is greater than the distance from A to the point of intersection, then the increase in cost going to A exceeds the difference in price going to A, which would make E more profitable.

Looking at the chart, this is obviously the case, so E is the most profitable.
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