On a Hot Summer Day, a Construction Worker Enters a McDonald's

question 243

Multiple Choice

On a hot summer day, a construction worker enters a McDonald's fast-food restaurant. He orders the first Big Mac. He consumes it within 3 minutes. He then orders a second Big Mac and consumes it in 10 minutes. He eats only half of the third one in 18 minutes and throws away the rest. The store manager offers him the fourth for free. The construction worker says: "No thanks." For the construction worker described above, we can say that

• A) diminishing marginal utility set in only after he had consumed the second Big Mac.
• B) diminishing marginal utility began as soon as he had eaten the first Big Mac.
• C) diminishing marginal utility did not occur, he simply wanted to quit eating.
• D) the law of diminishing marginal utility only applies to durable goods.

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Definitions:

DIBAL

Diisobutylaluminum hydride, a reducing agent commonly used in organic synthesis to reduce esters, aldehydes, and ketones to alcohols.

Acid Chlorides

Reactive derivatives of carboxylic acids where the hydroxyl group has been replaced by a chloride ion, with general formula RCOCl.

Carboxylic Acids

Organic acids characterized by the presence of at least one carboxyl group (-COOH), widely used in industry and biology.

SOCl2

Thionyl chloride, a reactive chemical compound used in the synthesis of acid chlorides from carboxylic acids.