Rex Carr Could Pay $10 for a Shovel That Lasts

question 11

Multiple Choice

Rex Carr could pay $10 for a shovel that lasts one year and pay $5 a car to his brother Scoop to bury the cars, or he could buy a low-quality car smasher that costs $200 a year to own and that smashes cars at a marginal cost of $1 per car.If it is also possible for Rex to buy a high-quality hydraulic car smasher that cost $550 per year to own and if with this smasher he could dispose of cars at a cost of $.75 per car, it would be worthwhile for him to buy this high-quality smasher if he planned to dispose of

• A)at least 1,410 cars per year.
• B)no more than 700 cars per year.
• C)no more than 1,400 cars per year.
• D)at least 1,400 cars per year.
• E)at least 700 cars per year.

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Definitions:

Cognitive Development

A field of study in neuroscience and psychology focusing on a child's development in terms of information processing, conceptual resources, perceptual skill, language learning, and other aspects of brain development.

Preoperational

The stage in Piaget's theory of cognitive development where children begin to engage in symbolic play but lack the ability to perform operations or use logical thinking.

Accommodation

In psychology, it refers to the cognitive process of revising existing cognitive schemas, perceptions, and understandings to make new information fit.

Cognitive Development

The process by which individuals learn to think, understand, reason, and remember over time.