Janice is a 48-year-old married woman who uses technology as a major source of information and shopping. she has a dvd drive on
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I looked up the question, since this one is incomplete. I've attached an image of the correct chart. Elvis' marginal benefit of the fourth sandwich is his total benefit of eating 4 sandwich minus his total benefit from eating 3 sandwiches.
Looking at the chart, we see that this gives us 81-75 = 6.
Therefore, the Marginal Benefit of a fourth sandwich is 6.
Looking at the chart, we see that this gives us 81-75 = 6.
Therefore, the Marginal Benefit of a fourth sandwich is 6.