Relevant Costs

question 14

Multiple Choice

Relevant costs:

• A) are sunk costs.
• B) are costs that differ among alternatives.
• C) are unavoidable.
• D) can not be opportunity costs.

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Definitions:

Receptive Vocabulary

The collection of words a person understands when heard or read, as opposed to those they actively use.

Babbling

An early stage in language development where infants produce sounds and syllables that do not have meaning, often a precursor to the development of actual spoken words.

Consonant-Vowel

Refers to the combination of consonants and vowels in the formation of syllables and words, crucial in language learning and development.

Cooing

The earliest form of vocalization in infants, characterized by soft, gurgling noises made to express pleasure or contentment, often developing within the first few months of life.