Utterances Such As, "Sarah Eated Fast

question 47

Multiple Choice

Utterances such as, "Sarah eated fast":

• A) are usually learned by imitation.
• B) are rarely if ever made by children.
• C) show that children have some grasp of grammatical rules.
• D) provide evidence that children rarely confuse grammatical forms.

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Definitions:

Fixed Costs

Expenses that do not vary with the level of production or sales, such as rent, salaries, and loan payments.

Marginal Productivity

Marginal productivity measures the change in output resulting from altering the level of a single input while holding other inputs constant.

Marginal Costs

The added financial burden of creating one more unit of a product or service.

Average Costs

The total cost of production divided by the quantity produced, often used to evaluate production efficiency.