The figure above shows Kaley's marginal benefit from swimming with manatees and Scott's marginal cost of providing manatee swimming tours. At 1 manatee swim per week, Kaley's marginal benefit is ________ and Scott's marginal cost is ________.

Question

BlackTom AI · Accepted Answer

Interpreting the graph given, we can read off the marginal values at the point where Kaley provides 1 manatee swim per week.
First, observe the downward-sloping MB curve labeled MB that runs from (0,50) to (5,0). This means MB decreases by 10 dollars for each additional swim per week. At x = 1 swim per week, the MB value is 50 − 10 = 40 dollars.
Next, examine the upward-sloping MC curve labeled MC that runs from (0,0) to (5,50). This indicates MC increases by 10 dollars for each additional swim per week. At x = 1 swim per week, the MC value is 0 + 10 = 10 dollars.
Therefore, Kaley’s marginal benefit at 1 swim per week is 40 dollars, and Scott’s marginal cost at 1 swim per week is 10 dollars.
In summary, the pair read directly from the graph at the 1-swim-per-week point is MB = 40 and MC = 10, which corresponds to the provided option "$40; $10".
If there were other choices, they would misstate either the benefit or the cost at this quantity, contradicting the linear readings from the plotted lines.

The figure above shows Kaley's marginal benefit from swimming with manatees and Scott's marginal cost of providing manatee swimming tours. At 1 manatee swim per week, Kaley's marginal benefit is and Scott's marginal cost is . 单项选择题

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The figure above shows Kaley's marginal benefit from swimming with manatees and Scott's marginal cost of providing manatee swimming tours. At 1 manatee swim per week, Kaley's marginal benefit is ________ and Scott's marginal cost is ________. 单项选择题