To determine which production outcome is not attainable given the production possibilities curve (PPC) described, we can analyze the points mentioned in relation to the described segments of the curve.
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10 tables and 5 benches:
- This falls within the production possibilities since it is not beyond the curve.
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15 tables and 15 benches:
- This point would likely be beyond the PPC since the maximum number of benches at 0 tables is 35, and with 15 benches, it implies more resources are needed than what is available, making it unattainable on the curve.
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20 tables and 0 benches:
- This is the endpoint of the curve, which is attainable.
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0 tables and 20 benches:
- This point is also within the curve’s limits and is thus attainable.
Based on this analysis, the production outcome 15 tables and 15 benches is the one that is not attainable based on the given production possibilities curve.