4. The new restaurant went out of business because of its _________prices.*5 pointsdecorumespouseexhilarationexorbitantextricatefacilitateorthodoxrejuvenatesynchronizetenuous

The new restaurant went out of business because of its exorbitant prices.

Explanation: In this sentence, we are looking for a word that can describe prices in a negative way, as it's implied that the restaurant went out of business due to these prices.

• Decorum: This means behavior in keeping with good taste and propriety. It doesn't fit in this context.
• Espouse: This means to adopt or support a cause, belief, or way of life. It doesn't fit in this context.
• Exhilaration: This means a feeling of excitement, happiness, or elation. It doesn't fit in this context.
• Exorbitant: This means (of a price or amount charged) unreasonably high. This fits perfectly in this context.
• Extricate: This means free (someone or something) from a constraint or difficulty. It doesn't fit in this context.
• Facilitate: This means make (an action or process) easy or easier. It doesn't fit in this context.
• Orthodox: This means conforming to what is generally or traditionally accepted as right or true. It doesn't fit in this context.
• Rejuvenate: This means make (someone or something) look or feel younger, fresher, or more lively. It doesn't fit in this context.
• Synchronize: This means cause to occur or operate at the same time or rate. It doesn't fit in this context.
• Tenuous: This means very weak or slight. It doesn't fit in this context.

So, the correct answer is "exorbitant".