<span>The question is 'self interest motivate producers to offer ............ products. The correct option is B. In market situations, producers' self interest, which is the desire to make more profit, always motivate producers in supplying products that are more expensive. The profit margins of producing more of an expensive product is usually higher compared to other less expensive products.</span>
The inference is that the difference is while foreign workers are discouraged from working, those who come from the United States are welcomed.
<h3>What is an inference?</h3>
An inference simply means the conclusion that can be deduce based on the information given in a literary work.
In this case, the inference is that the difference is while foreign workers are discouraged from working, those who come from the United States are welcomed.
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I agree with ur answer....under the surface...because of the context " drilled into the ground "