The Price of a Phone Call at a Pay Phone

question 14

Multiple Choice

The price of a phone call at a pay phone was 5 cents in 1950 and the price of a first-class stamp was 3 cents. In 2014, the pay phone costs 50 cents for a call and a first-class stamp costs 49 cents. We know that

• A)both the nominal and the relative price of phone calls increased from 1950 to 2014.
• B)both the nominal prices of phone calls and first-class stamps increased from 1950 to 2014, but the relative price of stamps increased and the relative price of phone calls decreased from 1950 to 2014.
• C)all prices increased from 1950 to 2014: Nominal prices of phone calls, first-class stamps, and the relative prices of phone calls and first-class stamps.
• D)both the nominal prices of phone calls and first-class stamps increased from 1950 to 2014, but we can't tell if the relative prices increased or decreased without more information.

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Definitions:

REM Sleep

A stage of sleep characterized by rapid eye movement, increased brain activity, and vivid dreams, playing a key role in memory consolidation and emotional processing.

Circadian Rhythms

Natural internal processes that regulate the sleep-wake cycle and repeat roughly every 24 hours.

Spatial Neglect

A neurological disorder where a patient fails to attend to stimuli on one side of space, often following damage to the brain's opposite hemisphere.

Left Side

The left part or direction relative to a point or object's central position or to a person's own left when facing forward.